SOLUTION: The radius is 3 inches more than the height. The volume is 16π cubic inches. Find the dimensions of the right circular cylinder described.

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Question 1060503:

The radius is 3 inches more than the height. The volume is 16π cubic inches. Find the dimensions of the right circular cylinder described.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The radius is 3 inches more than the height. The volume is 16pi cubic inches.
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Vol = pi*r^2^h = 16pi
r^2h = 16
h = r-3
r^2*(r-3) = 16
r^3 - 3r^2 - 16 = 0
r = 4 is the only real root (by graphing)
h = 1