Hello from MrBillDoesMath!
Answer:
r = 3
Discussion:
The volume of a cone is given the formula
V = (1/3) Pi r^2 h = 18 Pi => divide both sides by Pi
(1/3) r^2 h = 18 => multiply both sides by 3
r^2 h = 18 * 3 = 54 =>
r^2* 6 = 54 => divide both sides by 6
r^2 = 54/6 = 9 =>
r = 3
Thank you,
MrB
