Python Calculate Area Of Points

print 'Hello, world!'. It is sufficient to find the smallest enclosing box for the convex hull of the objects in question. To find the different features of contours, like area, perimeter, centroid, bounding box etc; You will see plenty of functions related to contours. A pyramid is any three-dimensional structure where the upper surfaces are triangular and converge on one point. value = Current. A pair of classes to provide points and rectangles. In 3 dimensional space (3D), the area of a planar parallelogram or triangle can be expressed by the magnitude of the cross-product of two edge vectors, since where is the angle between the two vectors v and w. The links will open a new browser window. Area of a square = side times side. Here value will be reading and printing through class methods. Circular segment. cal file, emailed, and shared among users. For a visual understanding of maximum depth, you can look at the image below. In challenging situations like this it is often useful to imagine a concrete situation with a limited number of steps, so each step can be written in sequence without worrying about a loop. Python Exercises, Practice and Solution: Write a Python program to compute the distance between the points (x1, y1) and (x2, y2). Area is a measure of how much space there is inside a shape. Python Fire is a helpful tool for developing and debugging Python code. It provides access to the mathematical functions defined by the C standard. Standard formula to calculate the area of a circle is: A=πr². I come from a farming background. If the area unit scale factor units are small, relative to the distance between the points, the output raster values may be small. com 10,125 views. Check whether a given point lies inside a triangle or not Given three corner points of a triangle, and one more point P. Now excel will be used to calculate the columns in the row for the Triangle. 19% becomes 19. How do you write functions in Python? As we have seen on previous tutorials, Python makes use of blocks. When working with GPS, it is sometimes helpful to calculate distances between points. Description. I am new to geographic information systems and i need to calculate the area of a a polygon ( a circle to be precise) that falls inside the boundaries of a region, say a state or a country. [email protected]! If the data is stored in a geographic coordinate system and a linear unit (for example, miles) is supplied, the length will be calculated using a geodesic algorithm. Using this online calculator, you will receive a detailed step-by-step solution to your problem, which will help you understand the algorithm how to find dot product of two vectors. Seamles integration with ArcGIS Desktop and Pro GET MORE INFO. Now, it looks like the area of the trapezoid should be in between these two numbers. When the triangle points are provided in XY co-ordinates like in the image below instead of provided in horizontal and vertical line, this calculator can be used to calculate the area of a triangle by using the given 3 points of the. Python Exercises, Practice and Solution: Write a Python program to compute the distance between the points (x1, y1) and (x2, y2). If you know the basics of coding, you can even write more than 5+ ways. Input ft values -> The result is ft^2. Python program to swap two variables. Area of a circular sector. 1 (r271:86832, Jun 16 2011, 16:59:05) [GCC 4. Chris Veness's page also contains an Excel formula of the ‘Haversine’ equation (actually, using the "spherical law of cosines") for distances between points in kilometres:. This function has to be called explicitly (it is not used by the turtle graphics classes). Calculate the area of each face. (Submit for 2 points). Area of a cyclic quadrilateral. There are many proofs of the the Pythagorean Theorem. we use the func:print to get the output. In this post, our goal is to find the center of a binary blob using OpenCV in Python and C++. The task is to read polygon coordinates from a file and calculate the perimeter, I was provided with a script. If you find missing recipes or mistakes in existing recipes please add an issue to the issue tracker. This online calculator will calculate the 3 unknown values of a sphere given any 1 known variable including radius r, surface area A, volume V and circumference C. Below are Python script versions. calculators, engineering calculators Enter value, select unit and click on calculate. Python 3 program to find the square root of a number : A square root of a number X is a number Y if the square of Y is equal to X or the value of Y * Y is equal to X. Deriving the Haversine Formula I need to write a program module to calculate distances given longitude and latitude data, trying to find an object within a mile's radius of its location. Area of a triangle with three points Calculator - High accuracy calculation Welcome, Guest. Step-by-step explanations are provided for each calculation. This free dew point calculator calculates dew point, relative humidity, or air temperature given any of the two values. Python Program to find Area of a Triangle & Perimeter of a Triangle. PYTHON CODE. It is a line which touches a circle or ellipse at just one point. Area of a parallelogram given base and height. Package authors use PyPI to distribute their software. It is a special case of a more general formula in spherical trigonometry, the law of haversines, relating the sides and angles of spherical "triangles". The Python programming examples also covers programs on creating a class and finds the area and perimeter of the circle and also finds all possible subsets. First I need to form a polygon with the points that I get provided as a 'curve-walk' (non self intersecting). Divide the sum by the number of data points (n) minus 1 Take the square root of that value If you have a statistics-capable calculator, this is really easy to do, since there is a button (usually labeled "SD") that allows you to do this. Finally enter the system Frequency in MHz and then click the 'Calculate' button. It is written as a ratio of the vertical to the horizontal distances between the points and can be found by calculating these distances and making a fraction. The number of points accessible is multiplied by the portion of surface area each point represents to calculate the ASA. Both diagonals of rectangle have equal length. Area Calculators: Enter value, select unit and click on calculate. There are two different ways to run your program. But simple Euclidean distance doesn't cut it since we have to deal with a sphere, or an oblate spheroid to be exact. ↔ You can use fraction space button to create a number of the form 5 3/4. """ import doctest import math def heron(a,b,c): """ Uses the heron formula to calculate the area of the triangle where `a`,`b` and `c` are the side lengths. This is a raster file (converted from a polygon) that approximates the boundary of the “good” elevation data. Enter wall height (feet): 12 Enter wall width (feet): 15 Wall area: 180. Note: A cylinder is one of the most basic curvilinear geometric shapes, the surface formed by the points at a fixed distance from a given straight line, the axis of the cylinder. 1BestCsharp blog 3,532,393 views. [Python] Trying to find perimeter/area of a rectangle based on user input (self. We will create a class to find the area. Rotate images (correctly) with OpenCV and Python. Plotly Express functions take as a first argument a tidy pandas. To calculate perimeter of rectangle in python, you have to ask from user to enter length and breadth of rectangle to calculate and print the perimeter of that rectangle as shown in the program given below. More recently, starting in the 17-th century with Descartes and Fermat, linear algebra produced new simple formulas for area. Circular segment. Python 2D List Examples Create a list of lists, or a 2D list. Other Related Programs in python Python Program to Make a Simple Calculator. Please enter the necessary parameter values, and then click 'Calculate'. 8422) # (lat, lon) paris = (48. Note: A cylinder is one of the most basic curvilinear geometric shapes, the surface formed by the points at a fixed distance from a given straight line, the axis of the cylinder. Interpret the results (3 points)Annual Death Rates per 100,000 Persons Exposure Category Lung Cancer Coronary Heart Disease Heavy Smokers 166 599 Nonsmokers 7 422a. Surface Area of a Cylinder = 2πr² + 2πrh (Where r is radius and h is the height of the cylinder). How to use the google maps area calculator tool to measure a roof Special precautions must be taken when measuring the area of a roof. The Calculate Geometry tool allows you to access the geometry of the features in a layer. We calculate the slope again, using the ratio of the vertical distance to the horizontal distance or. It easy to measure distances between two points in Scribble Maps using our drawing tools. It is not useful to revive old threads like this. calculate area of triangle abc. Fractions / To enter a fraction of the form 3/4. To get input from user in python, you have to use input() function. To summarize, the slope is a number which describes the change between two points. Triangle area calculator by points. Enter the x,y coordinates of each vertex, in any order. This will open up a menu of options for that layer. Python Exercises, Practice and Solution: Write a Python program to calculate distance between two points using latitude and longitude. Find the Equation of a Line Given That You Know Two Points it Passes Through The equation of a line is typically written as y=mx+b where m is the slope and b is the y-intercept. example [ in , on ] = inpolygon( xq , yq , xv , yv ) also returns on indicating if the query points are on the edge of the polygon area. Dash Club is a no-fluff, twice-a-month email with links and notes on the latest Dash developments and community happenings. t-Statistic and Degrees of Freedom Calculator. In most cases, a function object expecting one argument can be passed to the this method. Enter the number of vertices in the form below, then enter each vertex's x and y values. The following are calculators to evaluate the area of seven common shapes. any idea why?my cad is not the full version. say we have a line crosses a contour and they have 2 cross points, how could I get these two points? I mean position of these points. A Python data type which stores floating-point numbers. This module is always available. Calculate estimated monthly payments and rate options for a variety of loan terms to see if you can reduce your monthly mortgage payments. Approximate the relative extremes points of f(x) = x 3 - x 2 - 6x. py program (shown below, or in the Creating Functions section of the tutorial) so that it has separate functions for the perimeter and area of a square, a rectangle, and a circle (3. Calculate distance between two points on Earth Write a program in python that allows the user to enter the latitude and longitude of two points on the Earth in degrees. I also know the width and height of that area. You will come up with major grade points and major credits which will equal a major GPA. C alculate the slope (m) and y-intercept (b) of a line passing through a given set of points. Calculate distance between latitude longitude pairs with Python - haversine. Circular segment - is an area of a circle which is "cut off" from the rest of the circle by a secant (chord). In reality, only one of the outcome possibilities will play out, but, in terms of risk. Solve area, diameter, and circumference, circle equations. Union creates a new layer that covers the combined features. Calculate Area of a Regular Polygon A polygon is regular if its sides are all the same length and the angles between all of the adjacent sides are equal. Check out this amazing opportunity to invest in one of the most sought after shoreline communities in the Miramichi area, Tuckers Point. It seems like you want to calculate the distance between one point and the next for that list. [Python] Trying to find perimeter/area of a rectangle based on user input (self. To obtain larger values, use the area unit scale factor for larger units (for example, square kilometers versus square meters). How to calculate area, diameter and circumference of circle in Python. When printed in the standard format, they look like decimal numbers. Calculate the unknown defining surface areas, height, circumferences, volumes and radii of a capsule with any 2 known variables. We will pass that value to the function arguments to calculate the area of an equilateral triangle. How to create a 3D Terrain with Google Maps and height maps in Photoshop - 3D Map Generator Terrain - Duration: 20:32. build 5658) (LLVM build 2335. The rectangle is not required to be axis aligned, and generally it will not be. We say document. This tutorial was contributed by Justin Johnson. more rectangles or even rotated ones, and I was wondering whether there is a much simpler solution as I only have two non-rotated rectangles. If you prefer, you can use our similar calculator that allows entry in feet or meters or this one that allows entry in feet and/or inches. Side 2 = Square Root of (13 ² - 5 ²) Side 2 = Square Root of (169 - 25) Side 2 = Square Root of (144) Side 2 = 12. Welcome to the world of warcraft arena points calculator; Calculate arena points from ur weeks rating. At a barometric pressure of 29. 14*r in circumference, then display the result. C alculate the slope (m) and y-intercept (b) of a line passing through a given set of points. Calculate the Count field equal to 1 by right-clicking the field name > Field Calculator. Area of a triangle (Heron's formula) Area of a triangle given base and angles. I have seen more general answers to this question, e. I have tried but can't get it to work. Side of polygon given area. A Central Florida snake catcher says he captured a ball python Tuesday near downtown Orlando. Python Programming Assignment Help, Program to calculate area function, Rewrite the area. It uses the same method as in Area of a polygon but does the arithmetic for you. Given four points of a rectangle, and one more point P. build 5658) (LLVM build 2335. If the shape we are interested in is not binary, we have to binarize it first. (You can type or paste your own data there). The attributes from both source layers are copied to the new feature:-To calculate the area of overlap, update the newly created feature’s attribute table with its area. Use the Calculate Area tool on the study area polygon as one way to get an Area value for the Area parameter. Calculator online for a circular cylinder. drainage network (lines) within the watershed. To find the perimeter (or arc length) of an ellipse, you'll need to use an elliptic integral. Ball Python Python regius. , Computational Geometry, Springer-Verlag, 1997. The Geoid Height Calculator calculates a geoid undulation at a point whose latitude and longitude is specified. Reply Delete. They are extracted from open source Python projects. The area A is given by. Then connect data points 3, 4, 5 with another parabola, and so on. But what if you only want one or two? We can use the round() function, which rounds a number to the number of decimal points you choose. Python Object Oriented Programming. In this tutorial, we will learn how to find out the square root of a number in Python. I am working on an area calculator in python, and everything seems ok,until I get to calculating the perimeter of a circle Can anyone point me in the right direction?. What is Jython? Jython is a Java implementation of Python that combines expressive power with clarity. If the Calculate Geometry tool, uses a different algorithm to calculate the area of a polygon related to the Pythonic syntax !shape. View examples of using Calculate Field. The problem is that I have to show a python code for this process. Using this online calculator, you will receive a detailed solution to your problem, which will help you understand the algorithm solving to determine the coordinates of vector and to fix the passed. Is it possible to calculate incandescent light color temperature based on it''s input voltage? For example, if for example 100w light bulb rated for 220V gives light with color temperature of 2800k then what would color temperature be at 110v? As voltage is now 2 times lower, the power (in watts. All we have to do is to find length of base of the triangle, which is formed by center of polygon and two adjusted vertexes of the regular polygon. Create your free Platform account to download our ready-to-use ActivePython or customize Python Area of Polygon using Shoelace formula # calculate centroid of. more rectangles or even rotated ones, and I was wondering whether there is a much simpler solution as I only have two non-rotated rectangles. Calculate the distance (in various units) between two points on Earth using their latitude and longitude. Web Programming in Python. 14*r in circumference, then display the result. How to Calculate the Area of a Polygon. Students will improve their computational thinking by: Finding patterns between the slope and y-intercept of the line, and identifying how these values relate to the equation y. It is helpful to determine the orientation of points in polygon. (So in reality and not in the picture. 24 $ This simply executes the file and returns a UNIX command prompt. [email protected]! or !shape. Python Numpy Tutorial. Area of a rhombus. Let's pretend that we don't know the value of Pi. How to Find the Slope of a Line Using Two Points. Find area of the polygon. Radius of circle given area. There are many ways to find the area of an object, with the dimensions of its sides, with angles or even with the location of its vertices. Area of a triangle (Heron's formula) Area of a triangle given base and angles. Calculate the unknown defining height, slant height, surface area, side length and volume of a square pyramid with any 2 known variables. All you have to do to instantly calculate rectangle area is just enter in the rectangle length and rectangle height into the fields below and press calculate. It uses the same method as in Area of a polygon but does the arithmetic for you. in = inpolygon(xq,yq,xv,yv) returns in indicating if the query points specified by xq and yq are inside or on the edge of the polygon area defined by xv and yv. 15 Program: Painting a wall (1) Prompt the user to input a wall's height and width. Area of a parallelogram given sides and angle. Skip navigation Unsubscribe from onkar Point? Cancel Python Program to Calculate the Area of a. Write a Python program to calculate surface volume and area of a sphere. Area Calculator. Example: When each square is 1 cm on a side, then the area is 15 cm 2 (15 square cm). The Bolt Pattern Force Distribution Calculator allows for applied forces to be distributed over bolts in a pattern. 24 $ This simply executes the file and returns a UNIX command prompt. The number of square units it takes to completely fill a regular polygon. Each point can be described as a coordinate using some arbitrary coordinate system (for example, using latitude and longitude values), while the length of the straight line could be described as the distance between the two points. arange(0,1,0. Python is a general purpose programming language created in the late 1980s, and named after Monty Python, that’s used by thousands of people to do things from testing microchips at Intel, to powering Instagram, to building video games with the PyGame library. Below statements will ask the user to enter base1, base2 and height values and it will assign the user input values to. And so when we think about area, we know that the area of a circle, the area of a circle is equal to pi times the radius of the circle squared. Now I'd like to calculate the absolute positions of each corner mark of that tilted area only using this data. The Geoid Height Calculator calculates a geoid undulation at a point whose latitude and longitude is specified. I'm using Python 2 right now as it seems most of the courses are teaching Python 2 and not 3. Python Exercises, Practice and Solution: Write a Python program to calculate distance between two points using latitude and longitude. Mesh Calculate the mesh, or wire diameter/opening, of a sieve or filter. of the box. Remember, if you are trying for color matching or color based object tracking, first convert image to HSV space, because HSV is more better representation of color that RGB space. I use three points to create two vectors with the same initial points and use a 2x2 determinant to compute the cross product then find it's magnitude. Still it may not be at all clear how to make an effective Python loop. The distances C-VPleft and C-VPright (in px). The attributes from both source layers are copied to the new feature:-To calculate the area of overlap, update the newly created feature’s attribute table with its area. For this reason it is best to outline the roof at points which are all at the same. You can simplify it even more, but you get the point. Any help is appreciated. the average) of all the points in a shape. To calculate the area of a segment bounded by a chord and arc subtended by an angle θ , first work out the area of the triangle, then subtract this from the area of the sector, giving the area of the segment. Python field calculation expressions can be saved to disk as a. The size of something can be measured in a lot of different ways. As nv3 mentions, these (perimeter & area) are both attributes of the shape. If a square has one side of 4 inches, the area would be 4 inches times 4 inches, or 16 square inches. Image Difference with OpenCV and Python By Adrian Rosebrock on June 19, 2017 in Image Processing , Tutorials In a previous PyImageSearch blog post, I detailed how to compare two images with Python using the Structural Similarity Index (SSIM). The Calculate Geometry tool allows you to access the geometry of the features in a layer. See what all the fuss is about and order one today. A rectangular prism has 2 ends and 4 sides. 4 numbers = [10, 20] 5 6 def calculator(): (Pdb) Debugging with Break Points. These functions cannot be used with complex numbers; use the functions of the same name from the cmath module if you require support for complex numbers. Following python program ask from user to enter radius of circle to find area of circle:. Logic-2 Medium boolean logic puzzles -- if else and or not. Free comprehensive online tutorials suitable for self-study and high-quality on-site Python courses in Europe, Canada and the US. Hi everyone, Here is my daily python question just to keep you all on your toes I would like to add a field called "LCArea" and calculate, you guessed it, the area. In order to find the sine of an angle, you must know the lengths of the opposite side and the hypotenuse. Python is a great general-purpose programming language on its own, but with the help of a few popular libraries (numpy, scipy, matplotlib) it becomes a powerful environment for scientific computing. A = W L = 2x (10 - (5/3) x) = -(10 / 3) x 2 + 20 x A is a quadratic function of x, of the form ax 2 + bx + c, and its leading coefficient a = -10 / 3 is negative hence it has a maximum value at the critical value of the first derivative A' of A. Topics concerned with writing providing Web applications, doing server-side programming, providing a Web site or pages which use Python in some way:. Open the Raster Calculator from the Spatial. Python Exercises, Practice and Solution: Write a Python program to calculate distance between two points using latitude and longitude. To prove the formula is correct, I might Integrate the triangle area; Find the balance point of figure ABC; or, with compass and straightedge, draw the intersection of the medians. Calculate distance between latitude longitude pairs with Python - haversine. contourArea(). If only the Earth were flat, calculating the distance between two points would be as simple as for that of a straight line!. ) Be sure to use the same units for all measurements. It provides access to the mathematical functions defined by the C standard. Codewars is where developers achieve code mastery through challenge. Here ordered mean that the coordinates are given either in clockwise manner or anticlockwise from first vertex to last. Python Math: Exercise-6 with Solution. Travelmath helps you find driving distances based on actual directions for your road trip. You could stretch a piece of rope around the entire yard, then measure the length of the rope. Python Program to find Volume and Surface Area of a Cube This python program allows user to enter any side of a Cube. To calculate perimeter of rectangle in python, you have to ask from user to enter length and breadth of rectangle to calculate and print the perimeter of that rectangle as shown in the program given below. The attributes from both source layers are copied to the new feature:-To calculate the area of overlap, update the newly created feature’s attribute table with its area. Pictures, examples and many practice problems on how to find the area of a triangle from its base and its height. Learn about installing packages. Area of a regular polygon. Our user asked us to create calculator which should determine "side length of the regular polygon (pentagon, hexagon) by diameter or radius of circumscribed circle". Does anyone know of any better ways I could implement parabola to parabola intersection point calculations? The function I wrote is below: def parabola_to_parabola_poi(a1, b1, c1, a2, b2, c2): """ Calculate the intersection point(s) of two parabolas. how to find the two points on one contour, which defines the diameter of the minimum enclosing circle of the contour? 2. It is a type of bounding volume. Four different ways to calculate the area are given, with a formula for each. Intersection of two line segments in the plane We are given two line segments (in the plane) through their two end point (x,y) coordinates. But it is a very good exercise for programming as long as you do it by yourself. The number of square units it takes to completely fill a regular polygon. Deriving the Haversine Formula I need to write a program module to calculate distances given longitude and latitude data, trying to find an object within a mile's radius of its location. Almost everything in Python is an object, with its properties and methods. Perimeter Calculator. Standard formula to calculate the area of a circle is: A=πr². Numerical integration is used in case of impossibility to evaluate antiderivative analytically and then calculate definite integral using Newton–Leibniz axiom. You can get the distance between cities, airports, states, countries, or zip codes to figure out the best route to travel to your destination. Python expressions can use the geometry area and length properties with an areal or linear unit to convert the value to a different unit of measure (e. To calculate perimeter of rectangle in python, you have to ask from user to enter length and breadth of rectangle to calculate and print the perimeter of that rectangle as shown in the program given below. Python Fiddle Python Cloud IDE. In this program, you'll learn to calculate the area of a triangle and display it. The true centroid if it is within or on the feature; otherwise, returns the label point (returns a point object) extent. 24 $ This simply executes the file and returns a UNIX command prompt. Each point can be described as a coordinate using some arbitrary coordinate system (for example, using latitude and longitude values), while the length of the straight line could be described as the distance between the two points. Point of Intersection of two Lines Calculator An online calculator to find the point(s) of intersection of two lines given by the equations : a x + b y = c and d x + e y = f. 14 * radius**2). Calculate the 2nd-most-left point to complete your triangle. Basic python list problems -- no loops. Task : To find the area of a triangle when all 3 sides of a triangle are given. I know its a terrible way to calculate pi, and there are much better ways to do it but its fun!. The haversine formula is an equation important in navigation, giving great-circle distances between two points on a sphere from their longitudes and latitudes. There are also special seminars for advanced students like the Python & XML Training Course. Determinant of a Matrix Determinant of a 2 by 2 Matrix - Calculator. In geometry, the area enclosed by a circle of radius r is πr2. 25 ? Answer: One way to do this is to use combination of bash for loop, cut, echo and bc commands. In statistics, a Z score is the number of standard deviations a data point appears on a standard distribution curve of the entire. Granger is interested in studying the factors controlling the size and carbon storage of shrubs. The value of π is 3. To understand this example, you should have the knowledge of following Python programming topics: Python Input, Output and Import. contourArea(). 0 and newer versions Beginning with Tableau Desktop 10. Program to calculate the Area and Perimeter of Incircle of an Equilateral Triangle Find all sides of a right angled triangle from given hypotenuse and area | Set 1 Find area of triangle if two vectors of two adjacent sides are given. An integer is a plain number like 0, 10 or -2345. Union creates a new layer that covers the combined features. py) Write a python program that prompts the user to enter the length and width of a rectangle and prints out the perimeter and area of that rectangle. Listed here are some tips and resources for using the field calculator in ArcGIS with Python and VBScript. Calculate Perimeter of Rectangle in Python. >>> import igraph. Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vertices of the triangle. any idea why?my cad is not the full version. To understand this example, you should have the knowledge of following Python programming topics:. Java program to calculate or to print area of a circle in a simple method. drainage network (lines) within the watershed. The significance level that you select will determine how broad of an area the rejection area will be. Calculator online for a circular cylinder. How to create a 3D Terrain with Google Maps and height maps in Photoshop - 3D Map Generator Terrain - Duration: 20:32. Enter the values and click Calculate. Here is an interactive Python session that demonstrates the point: >>> myVar = 0 >>> myVar 0 >>> myVar = 7 >>> myVar 7 >>> myVar = myVar + 1 >>> myVar 8 The last assignment statement shows how the current value of a variable can be used to update its value. round() takes two arguments: the number you want to round, and the number of decimal places to round it to. By inputting the locations of your sampled points below, you will generate a finite difference equation which will approximate the derivative at any desired location. The official home of the Python Programming Language. 2D image points are OK which we can easily find from the image. This online calculator will calculate the 3 unknown values of a sphere given any 1 known variable including radius r, surface area A, volume V and circumference C. By I we will denote the number of points lying inside the quarter-circle. 1415 up to fourth decimal places. It uses the same method as in Area of a polygon but does the arithmetic for you. The number of square units it takes to completely fill a regular polygon. Area of Rectangle is:36. Taken from Berg et al. I need to calculate the Area that it is included by the curve of the (x,y) points, and the X axis, using rectangles and Scipy. Equilateral Triangle Calculator Enter side, perimeter, area or altitude of equilateral triangle then choose a missing value and the calculator will show you a step by step explanation how to find that value. What is 19% of 20? Step 1: Remove the percent sign and add a couple of zeros after the decimal point. The length of the rope or string would be the perimeter. Other Related Programs in python Python Program to Make a Simple Calculator. Python is an object oriented programming language. Finding the area of a polygon with the use of its vertices takes a fair amount of manual calculation, especially for larger polygons, but is relatively easy.