The volume of a sphere is 81π cubic centimeters. Which equation can be used to solve for the radius of the sphere? A. 81π=4πr^2 B. 81π=4πr^3 C. 81π=4/3πr^3 D. 81π=4/3πr^2
Accepted Solution
A:
we know that
[volume of a sphere]=(4/3)*pi*r³ volume=81*pi cm³ so 81*pi=(4/3)*pi*r³