华师大版七年级上 5.1相交线练习卷
如图,直线AB,CD相交于点O,射线OM平分∠AOC,ON⊥OM,若∠AOM=35°,则∠CON的度数为( )
A.35° | B.45° | C.55° | D.65° |
如图,已知直线AB、CD相交于点O,OE平分∠COB,若∠BOD=70°,则∠COE的度数是( )
A.45° B.70° C.55° D.110°
如图,AB,CD,EF相交于点O,AB⊥CD,OG平分∠AOE,∠FOD=28°,则∠AOG的度数为( )
A.56° | B.59° | C.60° | D.62° |
如图,已知AB⊥CD于O,直线EF经过点O与AB的夹角∠AOE=52°,则∠COF的度数是( )
A.52° | B.128° | C.38° | D.48° |