SOLUTION: how many cubic ft of sand can be pumped into a tube 100 ft in length and a circumfrence of 30 ft

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Question 549743: how many cubic ft of sand can be pumped into a tube 100 ft in length and a circumfrence of 30 ft
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
how many cubic ft of sand can be pumped into a tube 100 ft in length and a circumfrence of 30 ft
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Find the radius
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C = 2*pi*r = 30
r = 30/2pi = 15/pi ft
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For the cylinder:
Vol+=+pi%2Ar%5E2%2Ah+=+pi%2A%2815%2Fpi%29%5E2%2A100
Vol+=+225%2A100%2Api
Vol =~ 70686 cu ft