hitunglah volum bola jika Π=3,14 a. jari-jari 10 cm b.diameter =16 cm

a). v=4/3 phi r.r.r
=4/3 × 3.14 × 10 × 10 × 10
=4/3 × 3140
=4186.67
=4186.7

b). v=4/3 phi r.r.r
=4/3 × 3.14 × 8 × 8 × 8
=4/3 × 1607.68
=2143.57
=2143.6