tolong jawab pakai cara ya!

Mapel : Matematika

Kelas : 8

Bab : Lingkaran
________________

AOC = 90°
BOC = 120°
AOB = 360° - 90° - 120° = 150°


Maka, Panjang Busur AB lingkaran :

= (AOB/BOC) x Panjang busur BC

= (150/120) x 32

= 15/12 x 32

= 40 cm → Opsi A