1、本章整合,1,2,3,4,5,6,7,8,1.(2018浙江衢州中考)如图,直线a,b被直线c所截,那么1的同位角是( )A.2 B.3 C.4 D.5,答案,1,2,3,4,5,6,7,8,2.(2018四川泸州中考)如图,直线ab,直线c分别交a,b于点A,C,BAC的平分线交直线b于点D,若1=50,则2的度数是( )A.50 B.70 C.80 D.110,答案,1,2,3,4,5,6,7,8,3.(2018山东潍坊中考)把一副三角板放在同一水平桌面上,摆放成如图所示的形状,使两个直角顶点重合,两条斜边平行,则1的度数是( )A.45 B.60 C.75 D.82.5,答案,1,2,3
2、,4,5,6,7,8,4.(2018浙江衢州中考)如图,将长方形ABCD沿GH折叠,点C落在点Q处,点D落在AB边上的点E处,若AGE=32,则GHC等于( )A.112 B.110 C.108 D.106,答案,1,2,3,4,5,6,7,8,5.(2018四川自贡中考)在平面内,将一个直角三角板按如图所示摆放在一组平行线上,若1=55,则2的度数是( )A.50 B.45 C.40 D.35,答案,1,2,3,4,5,6,7,8,6.(2018江苏盐城中考)将一个含有45角的直角三角板摆放在长方形上,如图所示,若1=40,则2= .,答案,1,2,3,4,5,6,7,8,7.(2018湖南衡阳中考)将一副三角板如图放置,使点A落在DE上,若BCDE,则AFC的度数为 .,答案,1,2,3,4,5,6,7,8,8.(2018重庆中考)如图,直线ABCD,BC平分ABD,1=54,求2的度数.,解:如图,直线ABCD, 1=3=54. BC平分ABD, 3=4=54. 2的度数为180-54-54=72.,
