SOLUTION: a cylinder standpipe is to contain 4m cube of water. if its height is to be twice its diameter, what must be its dimensions?

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Question 970299: a cylinder standpipe is to contain 4m cube of water. if its height is to be twice its diameter, what must be its dimensions?
Answer by Alan3354(69443) About Me  (Show Source):
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a cylinder standpipe is to contain 4m cube of water. if its height is to be twice its diameter, what must be its dimensions?
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Vol+=+pi%2Ar%5E2%2Ah
4+=+pi%2Ar%5E2%2A4r+=+4pi%2Ar%5E3
r%5E3+=+1%2Fpi
r =~ 0.6828 meters
h =~ 2.731 meters