# The diameter of a cylindrical construction pipe is 6ft. If the pipe is 27ft long, what is its volume?

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- PhilomelLv 72 months ago
If it is a cylinder with an ID of 6 ft.

V= 2 pi R^2 L=6.28*3^2*27=1,526.814 cu ft.=1421.4 Gal

- oil field trashLv 72 months ago
You failed to define the wall thickness of the pipe or if the 6 ft diameter is inside or outside diameter. Pipes of a nominal 6 ft size can be either

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- ?Lv 72 months ago
Volume = cross-sectional Area times Length

V = (𝞹r²) * L

V = 𝞹(3²) * 27 ft³ = 763.4ft³

or since 1 gallon = 231in³, then 5711 gallons

- ?Lv 72 months ago
Somewhere between quite a bit and sh*t ton.

Actually 3 x 3 x pi x 27

763.4 cubic feet

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