volume bola yang berdiameter 60 cm

r = 1/2d = 1/2 × 60 = 30
r = 30
V = 4/3πr³
= 4/3 (3,14) (30³)
= 4/3 × 3,14 × 30 × 30 × 30
= 4 × 3,14 × 10 × 30 × 30
= 113.040 cm²

semoga bisa membantu