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904,32 = 4 / 3 . 3,14 . r ^ 3
904,32 / 3,14 = 4 / 3 . r ^ 3
288 = 4 / 3 . r ^ 3
288 . 3 / 4 = r ^ 3
216 = r ^ 3
∛216 = r
6 = r
lp.bola = 4πr ^ 2
= 4 . 3,14 . 6 . 6
= 452,16 cm²
904,32 = 4/3 . 3,14 . r^3
2712,96 = 4 . 3,14 . r^3
2712,96 = 12,56 r^3
2712,96/12,56 = r^3
216 = r^3
∛216 = r
6 = r
Lp = 4 . π . r^2
= 4 . 3,14 . 6^2
= 12,56 . 36
= 452,16 cm2