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The height of the cylinder shown in the diagram is two times its radius, r. What is the volume of the cylinder in terms of r?
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The height of the cylinder shown in the diagram is two times its radius, r. What is the volume of the cylinder in terms of r?

User Bakhshi
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The formula for the right circular cylinder is V = ( pi * r^2) h
I will adjust this to put h in terms of r:
V = ( pi * r^2 ) 4r
V = 4 *Pi *r^3
V/4 *pi = r^3
we should obtain r = the cubed root of V/ 4 * pi.
User Arun Krishnan
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