SOLUTION: The volume of a cylinder is 540 pi ft cubed. The height is 15 ft. What is the diameter of the cylinder?

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Question 431939: The volume of a cylinder is 540 pi ft cubed. The height is 15 ft. What is the diameter of the cylinder?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

V(cylinder) = pi%2Ar%5E2%2Ah

540pift%5E2+=+pi%2Ar%5E2+%2A15ft

          36ft^2 = r^2, 

           r = 6ft      |tossing out negative solution for length

    The diameter is 12ft