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36 π^ 4 = π r^3
36 π ^ 3 = r^3
r=∛36 π^3
r=π∛36
Pole powierzchni kuli Pp=4πr^2
Pp=4π*(π∛36)^2=4π^3*36^(2/3)≈43,61π^3≈1350,16 dla π=3,14