# Geometry

A cylinder has a volume of 200in^3 Determine the volume of a cone whose radius and height are equal to that of the cylinder.

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asked by JOY
1. Volume of a cylinder = pi*(r^2)*h
r=h

http://math.about.com/od/formulas/ss/surfaceareavol_3.htm

Substitute r for h and solve for h, which is also equal to r. Then, substitute the values into the equation of volume of a cone.

volume of a cone= 1/3 pi*(r^2)*h

http://math.about.com/od/formulas/ss/surfaceareavol_2.htm

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2. 200

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