Question

The volume of a cylinder is

324 π in. cubed 3 and the height of the cylinder is 1 in. What is the radius of the​ cylinder?

Answer 1

The volume of a cylinder is equal to
`(1)/(3)\pi r^(2) h`, where r is the radius of the cylinder and h is its height.

324 =
`(1)/(3)\pi r^(2) h`

324 =
`(1)/(3)` x 3.14 x
`r^(2)` x 1

309.55 =
`r^(2)`

r =
`√(309.55)`

r = approx. 17.59 inches

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