Question

What is the ratio for the volumes of two similar spheres, given that the ratio of

their radii is 5:9?
A. 125:729
B. 25:81
C. 729:125
D. 81:25

Answer 1

A . 125:729 it’s the ratio that’s given their radii ..

Answer 2

Option A

Explanation:

the ratio of radii to volume is ^3 "to the third power"

so 5^3 : 9^3 would be the ratio for volumes

125:729