Program to find area of a triangle - GeeksforGeeks.
C Program to find the area of the rectangle. To calculate area of a rectangle, we need length and width of a rectangle. Below program, first takes length and width as input from user using scanf function and stores in 'length' and 'width' variables.
This algorithm can solve for intersection of coplanartriangles only. The classical approach is to use crossInt (tr1, tr2), algorithm from section 2.1.1, when the triangle cross, and to use the second algorithm coplanarInt (tr1, tr2), algorithm from section 2.1.2, for coplanar triangles.
Figure 1: The three triangles you can make with your triangle area program You can always find the area of a triangle using this simple formula: In Figure 1, your user enters the base, but the height could either be entered directly by the user or calculated from other parameters of the triangle.
Suppose a, b, and c denote the lengths of the sides of a triangle. Then the area of the triangle can be calculated using the formula: where. Write a program that asks the user to input the length of sides of the triangle and print the area. Source Code.
First I will remind us how to find the area of a polygon. Once we have done this, the algorithm to find the intersection between a polygon and a circle should be easy to understand. How to find the area of a polygon. Let's look at the case of a triangle, because all the essential logic appears there.
In my current project I need to calculate the intersection area of triangles and the unit squares in an infinite grid. For every triangle (given by three pairs of floating point numbers) I need to know the area (in the interval (0,1)) it has in common with every square it intersects. Right now I convert both (the triangle and the square) to polygons and use Sutherland-Hodgman polygon clipping.
Enter the base of a triangle: 4 Enter the height of a triangle: 6 The area of a triangle with 4 base and 6 height is 12 If you know all the sides of a triangle, you can find the area using Herons' formula.