V=(4/3)(pi)r^3
r=7.5
V=(4/3)(pi)(7.5^3)V=(4/3)(pi)(7.5^3)
V=(4/3)(pi)(421.875)
V=562.5pi ft^2
if you watnt to you can aprox pi=3.14
V=562.5*3.14
V=1766.25 ft^3
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