A cylinder-shaped drainage pipe 66 in. long measures 25.12 in. around.
1 answer:
V=hpir^2 tricky, they didn't give us radius they just gave circiufmerece c=2pir 25.12=2pir divide by 2 both sides 12.56=pir divide by 3.14 both sides 4=r subsitutet v=hpir^2 v=66pi4^2 v=66pi16 v=1056pi v=3315.84 cubic inches
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