北师大版数学八年级上册第七章平行线的证明7.4平行线的性质同步测试含答案
1.如图,AB∥CD,直线l交AB于点E,交CD于点F,若∠2=80°,则∠1等于( )
A.120° B.110° C.100° D.80°
2.如图,已知∠1=70°,如果CD∥BE,那么∠B的度数为( )
A.70° B.100° C.110° D.120°
3.如图,在△ABC中,∠B=40°,过点C作CD∥AB,∠ACD=65°,则∠ACB的度数为( )
A.60° B.65° C.70° D.75°
4.如图,AB∥CD,∠1=58°,FG平分∠EFD,则∠FGB的度数等于( )
A.122° B.151° C.116° D.97°