Ответ:
Пошаговое объяснение:
∠AOС= ∠AOB + ∠BOC = 180°
∠AOС= ∠AOB + ∠BOC = 180°∠AOB=∠BOC+30°
∠AOС= ∠AOB + ∠BOC = 180°∠AOB=∠BOC+30°∠BOC+∠BOC +30°= 180°
∠AOС= ∠AOB + ∠BOC = 180°∠AOB=∠BOC+30°∠BOC+∠BOC +30°= 180°2∠BOC= 180°-30°
∠AOС= ∠AOB + ∠BOC = 180°∠AOB=∠BOC+30°∠BOC+∠BOC +30°= 180°2∠BOC= 180°-30°∠BOC= 150°:2=75°
∠AOС= ∠AOB + ∠BOC = 180°∠AOB=∠BOC+30°∠BOC+∠BOC +30°= 180°2∠BOC= 180°-30°∠BOC= 150°:2=75°∠AOB=∠BOC+30°=75° +30°= 105
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Ответ:
Пошаговое объяснение:
∠AOС= ∠AOB + ∠BOC = 180°
∠AOС= ∠AOB + ∠BOC = 180°∠AOB=∠BOC+30°
∠AOС= ∠AOB + ∠BOC = 180°∠AOB=∠BOC+30°∠BOC+∠BOC +30°= 180°
∠AOС= ∠AOB + ∠BOC = 180°∠AOB=∠BOC+30°∠BOC+∠BOC +30°= 180°2∠BOC= 180°-30°
∠AOС= ∠AOB + ∠BOC = 180°∠AOB=∠BOC+30°∠BOC+∠BOC +30°= 180°2∠BOC= 180°-30°∠BOC= 150°:2=75°
∠AOС= ∠AOB + ∠BOC = 180°∠AOB=∠BOC+30°∠BOC+∠BOC +30°= 180°2∠BOC= 180°-30°∠BOC= 150°:2=75°∠AOB=∠BOC+30°=75° +30°= 105