Question

Find the volume of the sphere

Answer 1

The volume of a sphere is
(4/3)πr²
Radius is 9
(4/3)π9²
= 339.12 units³

Answer 2

Volume of a sphere of radius r is

V = (4/3)πr³

r = 9

V = (4/3)π(9³) = 12(9²)π = 972 π

Answer : 972π cubic units