Posted by ryan on Friday, December 23, 2011 at 11:08pm.
V = pi*r^2*h
V = 150 m^3
h = 8 m
150 = pi*r^2*8
Solve for r (the radius) then multiply by 2 to obtain the diameter.
Only, this is a cone, not a cylinder.
V = 1/3 pi r^2 h
The answer is 15m
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