Question

Plis bantu. besok dkumpul.

Answer 1

29. V = (3,14 × 10 × 10) × 20
= 314 × 20
= 6.280 cm3 (a)

30. V1 = 8 × 20 × 14 = 2.240 cm3
V2 = 28 × 20 × 16 = 8.960 cm3
Jadi, total V = 2.240 + 8.960
= 11.200 cm3 (d)