Homework Help: Math

Posted by Callie on Thursday, January 19, 2012 at 7:41pm.

A partial cylinder lies on its side. The bases are a 90 degree sector of a circle. What is the exact volume of the partial cylinder. r=8,length 10
160 pi inch cubed
20 pi inch cubed
80 pi inch cubed
40 pi inch cubed

Math - Reiny, Thursday, January 19, 2012 at 8:16pm
I will interpret this as having 1/4 of the cylinder

vol of whole cyl. = π(8^2)(10) = 640π
so 1/4 of that is 160π

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