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如图直线AB、CD相交于点O,OE平分∠BOC,OF⊥OE于O,若∠AOD=70°,则∠AOF等于( )A. 35° B. 45° C. 55° D. 65°
如图直线AB、CD相交于点O,OE平分∠BOC,OF⊥OE于O,若∠AOD=70°,则∠AOF等于( )
A. 35° B. 45° C. 55° D. 65°
如图直线AB、CD相交于点O,OE平分∠BOC,OF⊥OE于O,若∠AOD=70°,则∠AOF等于