C program to find surface area of sphere.
Solution:
Formula: Surface Area of Sphere = (4/3) * 3.14 * r * r
Output:

Solution:
Formula: Surface Area of Sphere = (4/3) * 3.14 * r * r
#include<stdio.h>
int main()
{
int r;
float sur_area_sphere;
printf("Enter Radius : ");
scanf("%d",&r);
sur_area_sphere = (4/3.0)*3.14*r*r;
printf("\nSurface Area of Sphere = %.2f", sur_area_sphere);
return 0;
}
Output:



