pakai cara kak........

AOB AB
____ = ___
COD CD

120 44
___ =___
30 CD

CD = 30 x 44
_______
120
CD =10 cm

Kelas 8 Matematika
Bab Lingkaran

∠COD / ∠AOB = panjang busur CD / panjang busur AB
30° / 120° = panjang busur CD / 44
Panjang busur CD = 44 . 30/120
Panjang busur CD = 11 cm