Question

I have this question about volume of spheres, can you help me out ?

Answer 1

Given:

The diameter of the sphere = 42 cm

To find the volume of the given sphere.

Formula:

The volume of a sphere is given by
`V=(4)/(3) \pi r^3`

The radius is given by
`r=(d)/(2)=(42)/(2)=21`

Volume of the sphere:

The volume of the sphere is given by

`V=(4)/(3) (3.14)(21)^3`

Simplifying, we get;

`V=(4)/(3)(3.14)(9261)`

Multiplying the terms, we have;

`V=(116318.16)/(3)`

Dividing, we get;

`V=38772.7`

Thus, the volume of the sphere is 38772.7 cubic cm.