# WAP in C to compute the volume and surface area of a sphere of any radius r

The Program in C to compute the volume and surface area of a sphere of any radius r is given below:

``````#include <stdio.h>
#include <math.h>

int main() {

printf("Enter the radius of the sphere: ");

// Volume of sphere = 4/3 * pi * r^3
volume = 4.0/3.0 * M_PI * pow(radius, 3);

// Surface area of sphere = 4 * pi * r^2
surfaceArea = 4 * M_PI * pow(radius, 2);

printf("Volume of the sphere is: %lf\n", volume);
printf("Surface area of the sphere is: %lf\n", surfaceArea);

return 0;
}
``````

## Output:

Enter the radius of the sphere: 5
Volume of the sphere is: 523.598776
Surface area of the sphere is: 314.159265

## Pro-Tips💡

This program prompts the user to enter the radius of a sphere and then uses the `pow()` function from the `math.h` library to calculate the volume

and surface area using the formulas 4/3πr^3 and 4πr^2 respectively, where pi is a predefined constant in `math.h`.

The volume and surface area are then printed to the console.

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