-- The volume of any cylinder is (pi) x (radius)2 x (length).
-- The radius of your cylinder is 3 inches.
-- The length of your cylinder is 12 inches.
-- You can use 3.14 for (pi) and your answer will only be about 0.05% wrong.
-- If you need it, 231 cubic inches = 1 gallon, of which you'll have about 1.469 of them.
Go get 'em, Champ !
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Approx 21.2 cubic inches.
Assuming that 0.75 inch refers to the diameter, the volume is pi*(0.75/2)2*12 = 5.3 cubic inches, approx.
A 2-inch diameter sphere has a volume of 4.189 cubic inchesA 1-inch diameter sphere has a volume of 0.5236 cubic inches.
A 100-foot pipe with a 6-inch diameter has a volume of: 19.63 cubic feet.
Assuming cylinder: volume = area of circle * length area of circle = pi*radius**2 radius = circumference/(2*pi) radius = diameter/2 if 24 inch is circumference: volume = pi*(24/(2*pi))**2 * 12 volume = 144/pi*12 volume = 1728/pi inch**3 if 24 inch is diameter: volume = pi*(24/2)**2 * 12 volume = pi*144*12 volume = pi*1728 inch**3 if 24 inch is radius: volume = pi*24**2 * 12 volume = pi*576*12 volume = pi*6912 inch**3 if 24 in