r=30:2
r=15 cm
V bola = 4/3 × π × r³
= 4/3 × 3.14 × 15 × 15 × 15
= 4 × 3.14 × 5 × 15 × 15
= 14.130 cm³
maka berat bola :
14.130 × 2 = 28.260 g
penjelasan:
semoga membantu
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r=30:2
r=15 cm
V bola = 4/3 × π × r³
= 4/3 × 3.14 × 15 × 15 × 15
= 4 × 3.14 × 5 × 15 × 15
= 14.130 cm³
maka berat bola :
14.130 × 2 = 28.260 g
penjelasan:
semoga membantu
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Penyelesaian.