{ A destination to learn coding }
Area of the circle
#include <stdio.h>
#define PI 3.14
int main()
{
  float r,area,circumference;
  printf("Enter the radius of the circle\n");
  scanf("%f",&r);
  area=PI*r*r;
  circumference=2*PI*r;
  printf("The area is %f",area);
  printf("The circumference is %f",circumference);
  return 0;			
			
}