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October 22, 2014

October 22, 2014

Posted by **Anonymous** on Monday, October 22, 2012 at 7:34am.

- geometry -
**Reiny**, Monday, October 22, 2012 at 9:23amV = (4/3)πr^3

SA = 4πr^2

(4/3)π r^3 = 4000

r^3 = 3000/π

r = (3000/π)^(1/3)

SA = 4π(3000/π)^(2/3) = appr 1219 m^2

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