Question 480960
An oil drum has a volume of 14.13 cubic feet and a length of 4.5 feet. What is the diameter?
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{{{Vol = pi*r^2*h}}} for a cylinder
{{{14.13 = pi*r^2*4.5}}}
{{{r^2 = 14.13/(4.5*pi)}}}
Solve for r
d = 2r