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P=4πr²
r²=P/4π
r=√P/4π
r=6
V=4/3πr³
v=4/3π*(6cm)³
v=288πcm³
1/3 * 4πr^2 = 4π / /π
4/3 r^2 = 4 / *3/4
r^2 = 3
r = pierwiastek z 3
V = 4/3π * r^3
V = 4/3π * 3 pierwiastek z 3
V = 4 pierwiastki z 3 π [cm3]