C Program for Program to find area of a circle
Area of a circle can simply be evaluated using following formula.
Area = pi * r2 where r is radius of circle
#include <math.h> #include <stdio.h> #define PI 3.142 double findArea( int r) { return PI * pow (r, 2); } int main() { printf ( "Area is %f" , findArea(5)); return 0; } |
Output:
Area is 78.550000
Please refer complete article on Program to find area of a circle for more details!