Question 590783
how many cubic feet of sand is needed to fill a cylinder 36" wide by 18" high
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If "wide" means diameter:
r = d/d = 18 inches
{{{Vol = pi*r^2*h = 18^2*18*pi}}} cubic inches
Vol = 5832*pi cubic inches
Vol = 5832*pi/1728 cubic ft
=~ 10.6 cf