Habisin poin O-o Terlampir!
- Mencari jari-jari
K = 2πr
44 = 2 × 22/7 × r
44 = 44/7 × r
r = 4 cm
- Mencari volume
V = πr²t
V = 22/7 × 7² × 30
V = 22 × 7 × 30
V = 154 × 30
V = 4.620 cm³
Korek
Jawaban:
✍️Jawab
K = 2 × π × r
= 2 × 22/7 × r
44 = 44/7 × r
r = 4 cm
V = π × r² × t
V = 3,14 × 4 × 4 × 30
V = 1.507,2 cm³