answersLogoWhite

0

3 inch (inside diameter) pipe = 0.25 feet. Radius = 0.125 ft

Cross section area = pi*(0.125 ft)2 = pi * 0.015625 ft2 . Multiply by 80 ft = pi * 1.25 cubic feet = 3.926990817 cubic feet x 7.480517578 (US gallons / cubic ft) = 29.37592384 US gallons.

User Avatar

Wiki User

14y ago

What else can I help you with?