C program to find the area of a circle: C programming code to calculate the area of a circle. In the program, Pi (ϖ) is assumed to be 3.14159.

## Area of a circle program in C

#include <math.h>

int main()

{

float radius, area;

printf("Enter the radius of a circle\n");

scanf("%f", &radius);

area = 3.14159*radius*radius;

printf("Area of the circle = %.2f\n", area); // printing upto two decimal places

return 0;

}