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

## Answer This Question

## Related Questions

- geometry - Cone a is 9 inches tall and has a diameter of 8 inches. Cone b has a ...
- Geometry - One right circular cone is set inside a larger circular cone. The ...
- geometry - The diameter of two similar cones are in the ration 5 to 6. If the ...
- Geometry - THE VOLUME OF AN OBLIQUE CONE WITH EQUAL DIAMETER AND HEIGHT IS 18*3....
- Math. - A cone has a diameter of 24 in. and a height of 10in. What is the volume...
- Math - Please Help - A right circular cone has a volume of 140 in^3. The height ...
- Geometry (check my work) - A scoop of ice cream shape like a sphere with a ...
- Calculus: Optimization - I have no idea how to approach this problem, if someone...
- Geometry - The volume of an oblique cone with equal diameter and height is 18pi ...
- Math - When a concrete structure is built, an engineer often performs a slump ...

More Related Questions