∠AOB = ∠DOE = 56°
∠COE = ∠DOE + ∠COD = 56° + 25° = 81°
∠COF = 180°
∠FOE = ∠COF - ∠COE = 180° - 81° = 99°
Відповідь: ∠FOE = 99°.
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∠AOB = ∠DOE = 56°
∠COE = ∠DOE + ∠COD = 56° + 25° = 81°
∠COF = 180°
∠FOE = ∠COF - ∠COE = 180° - 81° = 99°
Відповідь: ∠FOE = 99°.