SOLUTION: how much liquid would fit into a plastic tube that is 21" high and 4"" around Thanks for any help Gloria De Groot degroot1448@sbcglobal.net

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Question 766032: how much liquid would fit into a plastic tube that is 21" high and 4"" around Thanks for any help Gloria De Groot degroot1448@sbcglobal.net
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
how much liquid would fit into a plastic tube that is 21" high and 4"" around
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If 4" around is the circumference, then
r = 4/(2pi) = 2/pi
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Volume+=+pi%2Ar%5E2%2Ah+=+pi%2A%284%2Fpi%5E2%29%2A21 cubic inches