Question 852042
Let p- pi (Sorry dont know how to make pi symbol)

{{{A=4pr^2}}}
{{{V=4/3(pr^3)}}}

If r=30cm just substitute.

{{{V=4/3(p(30cm)^3)}}}
{{{V=4/3(p(27000cm^3))}}}
{{{V=113,097.34cm^3}}}

Hope that helps!

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