The volume

The volume of the sphere is 1 m3, what is its surface?

Correct result:

S =  4.836 m2

Solution:

V=1 m3  V=43πr3  r=3⋅ V/(4π)3=3⋅ 1/(4⋅ 3.1416)3≐0.6204 m  S=4π⋅ r2=4⋅ 3.1416⋅ 0.62042=4.836 m2

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