Mega Code Archive

 

Categories / C / Code Snippets

 

Circumference of a circle

#include <stdio.h> #define PI 3.14159 int main(void) { float area , circumference , radius; printf("What is the radius of the circle.\n"); scanf("%f",&radius); area = PI * radius * radius; circumference = 2.0 * PI * radius; printf("The circumference of the circle is %1.2f.\n",circumference); printf("The area of the circle is %1.2f.\n",area); return 0; }