∠ВОС + ∠СОD = 180 - ∠AOB = 180-108 = 72° (т.к. смежные)
∠ВОС=∠СОD = 72° следовательно ∠ВОС = 72/2 = 36°
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∠ ВОС = 36°
∠ВОС + ∠СОD = 180 - ∠AOB = 180-108 = 72° (т.к. смежные)
∠ВОС=∠СОD = 72° следовательно ∠ВОС = 72/2 = 36°