# Math Help - volume of a sphere

1. ## volume of a sphere

the surface of a sphere is 16pi. find the volume....... can someone please show the steps it has been awhile since ive done this

2. All you need is a little algebra and a couple of formulas. You CAN be expected to know these for an exam.

Sphere Volume = $\frac{4}{3}\pi r^{3}$

Sphere Surface Area = $4\pi r^{2}$

Use the given information to find r.

Calculate the Volume.