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225cm^3 = 1/3*pi*r^2*5
 May 29, 2012
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225cm^3 = 1/3*pi*r^2*5
= 225/(1/3)/(pi)=r^(2.5)

[input]225/(1/3)/(pi)=r^(2.5)[/input]
 May 31, 2012

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