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Matematika
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Pertanyaan
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1 Jawaban
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1. Jawaban sulisriyanto
Jawab :
∠AOC = 180 - ∠COD
= 180 - 48
= 132°
∠AOC refleks = 360 - 132
= 228°
Jadi ∠ABC = 1/2 ∠AOC refleks
= 1/2 x 228
= 114°
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