Given sphereRadius and piVal, compute the volume of a sphere and assign to sphereVolume. Look up the equation online (e. g., http://math. about. com/od/formulas/ss/surfaceareavol. htm). Use (4.0 / 3.0) to perform floating-point division, instead of (4 / 3) which performs integer division.

#include

int main(void) {
const double piVal = 3.14159;
double sphereVolume = 0.0;
double sphereRadius = 0.0;

sphereRadius = 1.0;

printf("Sphere volume: %lf\n", sphereVolume);

return 0;

Explanation:

Firstly we can identify the formula to calculate volume of sphere which is

Volume = 4/3

With this formula in mind, we can apply this formula to calculate the volume of sphere in Line 10. This is important to perform floating-point division 4.0/3.0 to ensure the resulting value is a floating value as well. Since we have been given piVal and sphereRadius, we can just multiply the result of floating-point division with piVal and sphereRadius and get the sphereVolume value.

At last, display the sphere volume using printf method (Line 13).

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