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15 May, 05:22

The diameter of a cylinder construction pipe is 4ft. If the pipe is 21ft long, what is the volume?

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  1. 15 May, 05:25
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    263.76 cu. ft.

    Step-by-step explanation:

    For a pipe use its length instead of height: pipe volume = π * radius² * length, where radius = inner diameter/2.

    Volume = pi x r^2 x l

    = 3.14 x 4 x 21
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