SOLUTION: In gallons what is the volume of a cylinder that has a circumference of 21' and a length of 12'?

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Question 468510: In gallons what is the volume of a cylinder that has a circumference of 21' and a length of 12'?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
V=πr2h
C=2πr
21/2π=r=3.342
πr2h=(3.14159)(11.17)(21)=736.97 cu.ft.