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4 September, 10:28

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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  1. 4 September, 10:44
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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.
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