Posted by ryan on Friday, December 23, 2011 at 11:08pm.
can someone help me please on this question:
What is the diameter of a cone with height 8 m and volume 150 m3 ?

geometry  Max, Saturday, December 24, 2011 at 1:35am
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.

geometry  Steve, Saturday, December 24, 2011 at 11:40am
Only, this is a cone, not a cylinder.
V = 1/3 pi r^2 h

Geometry  Zazzle, Monday, May 6, 2013 at 12:03pm
The answer is 15m
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