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<AOD = <AED = 64'
<AEB = <AOB = 110'
<CED = <COD = 2 x <AOD = 2 x 110' = 220'
1 lingkaran penuh = 360'
Jadi < BOC = 360' - (220' + 64')
= 360' - 284'
= 76' Jawaban (C)
Mudah-mudahan dapat membantu dan jadikan saya yang terbaik ya :)