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= 8 : 27
r1 = 2cm
r2 = 3cm
Ditan : Perbandingan Volume Bola?
Dijawab :
V.bola = 4/3 πr³
V1 : V2
4/3πr³ : 4/3πr³ (masukin angkanya)
4/3π2³ : 4/3π3³ ( coret 4/3 sama π )
2³ : 3³
8 : 27