Question

Tlng dong beserta cara nya..

Answer 1

23Lp bola = 2 × phi × r × r
Lp bola = 2 × 22/7 × 7 × 7
Lp bola = 308 m^

24. Vt = phi × r × r × t
Vt = 22/7 × 7 ×7 × 14
Vt = 2156cm^3

Vb = 4/3 × phi × r^3
Vb = 4/3 × 22/7 × 7^3
Vb = 1437,3 cm^3

V udara = Vt- Vb
V udara = 2156 - 1437,3
V udara = 718,7 cm^3