The radius of a sphere is 3 inches. Which represents the volume of the sphere 12.7 cubic inches 36.1 cubic inches 64.cubic inches 81.7 cubic inches

Question

asked May 20, 2020 232k views

2 Answers

Sami Korhonen · Answer 1 · 2020-05-25T17:43:54+0000

Answer:

Explanation:

The formula of a volume of a sphere:

$V=(4)/(3)\pi r^3$

R - radius

We have r = 3in.

Substitute:

$V=(4)/(3)\pi(3^3)=(4)/(3)\pi(27)=4\pi(9)=36\pi\ in^3$

Use the approximation of number pi
$\pi\approx3.14$

$V\approx36(3.14)=113.04\ in^3$