174°/3 = 58°
ACE = 58°
AOE = 2 X 58° = 116°
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174°/3 = 58°
ACE = 58°
AOE = 2 X 58° = 116°
itu kan jadi ad 3 yg sama. ya bisa di bagi jadi nya
174 ÷ 3 = 58
jadi ABE, ACE, ADE masing2 sudut nya 58.
sudut pusat = 2. sudut keliling
AOE = 2. 58 = 116 (C)