step by step explanation. I will mark you has brainlist
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Step-by-step explanation:
∠AOC+∠BOE = 70° ∠BOD = 40°
∠AOC+∠BOE+∠COE = 180°
70°+∠COE = 180°
∠COE = 180° - 70°
∠COE = 110°
∠COE+∠BOD+∠BOE = 180°
110°+40°+∠BOE = 180°(angle sum pair)
∠BOE = 180° - 150°
∠BOE = 30°
∠BOE * 1/2 = 30*1/2= 15°
Reflex ∠COE = 360° - ∠COE
= 360° - 110°
= 250°
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