A. Jari Jari 6 cm
B. Diameter 45 cm
C diameter 45 cm
D jari jari 36 cm
Hitunglah keliling lingkaran jika diketahui
Penjelasan dengan langkah-langkah:
Bagian A
K = π × d
K = 3,14 × (6 × 2)
K = 3,14 × 12
K = 37,68 cm ✔
.
Bagian B
K = π × d
K = 3,14 × 45
K = 141,3 cm ✔
.
Bagian C
K = π × d
K = 3,14 × 45
K = 141,3 cm ✔
.
Bagian D
K = π × d
K = 3,14 × (36 × 2)
K = 3,14 × 72
K = 226,08 cm ✔