Find the radius of a cone with a height of 3m and a volume of 30m cubed.

Question

So far I have 90m cubed / 3m = pi(r^)3m/3m.

Then I get stuck. Help! I'm really bad at math. ):

Answer 1

v = 1/3 pi r^2 h
so,

pi/3 r^2 (3) = 30
r^2 = 30/pi
r = ...