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V = (pi)*R2*H

if you double the radius then put 2R in place of R in the formula:

V = (pi)*(2R)2*H

V = 4pi*R2*H

So the volume will increase 4 fold if you double the cylinder's radius.

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Q: What happens to the volume of a cylinder if the radius is doubled?
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The volume of a circular cylinder varies directly with the height of the cylinder and with the square of the cylinder's radius If the height is halved and the radius is doubled then the volume will be?

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What happens to the volume of the cylinder if the height is doubled?

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