<AOF = 40°
<BOM = 20°
АВ ⊥ CD => <AOD=<DOB=90°
<AOD = <AOF + <DOF
<DOF = <AOD - <AOF = 90° - 40° = 50°
<DOM = <DOB + <BOM = 90° + 20° = 110°
Ответ: <DOF = 50° , <DOM = 110°
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<AOF = 40°
<BOM = 20°
АВ ⊥ CD => <AOD=<DOB=90°
<AOD = <AOF + <DOF
<DOF = <AOD - <AOF = 90° - 40° = 50°
<DOM = <DOB + <BOM = 90° + 20° = 110°
Ответ: <DOF = 50° , <DOM = 110°