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= 1/3 × 6 × 6 × 10
= 120
V1/2 bola = 1/2 × 4/3 × × r³
= 1/2 × 4/3 × × 6 × 6 × 6
= 144
Vgabungan = Vk + V1/2b
= 120 + 144
= 264 cm³ (d)