tolong di jawab ya kakkkjjjjjjj

4. V = (3,14 × 5 × 5) × 50
= (3,14 × 25) = 78,5 × 50 = 3.925 cm3

5. ▪Bangun 1 = (3,14 × 5 × 5) × 7
= (3,14 × 25) = 78,5 ×7 = 549,5 cm3
▪Bangun 2 = (3,14 × 10 × 10) × 14
= 314 × 14 = 4.396 cm3
Total = 549,5 + 4.396 = 4.945,5 cm3

Maaf klo salah..
Moga membantu.. ^_^