Dik volume bola 972π cm3.Luas kulit bola itu...?

V. bola = 4/3πr³
972π = 4/3πr³ ➡ Coret π nya
972 = 4/3r³
972 × 3 = 4r³
2916 = 4r³
r³ = 2916/4
r³ = 729
r = ³√729
r = 9

jari jari = 9cm
➡luas bola = 4πr²
= 4 × π × 9 × 9
= 4 × π × 81
= 324π cm²

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