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1、第1页（共 8页）相交线与平行线练习题一选择题（共 12 小题）1、（2018?邵阳）如图所示，直线 AB，CD相交于点O，已知 AOD=160，则 BOC的大小为（）A20 B60 C70 D1602、（2018?滨州）如图，直线AB CD，则下列结论正确的是（）A 1=2 B 3=4 C 1+3=180D 3+4=1803、（2018?泰安）如图，将一张含有30角的三角形纸片的两个顶点叠放在矩形的两条对边上，若2=44，则 1 的大小为（）A14 B16 C90 D 444、（2018?怀化）如图，直线a b，1=60，则 2=（）A30 B60 C45 D1205（2018?深圳）如图，
2、直线a，b 被 c，d 所截，且ab，则下列结论中正确的是（）A 1=2 B 3=4 C 2+4=180D 1+4=1806、（2018?绵阳）如图，有一块含有30角的直角三角板的两个顶点放在直尺的对边上如果2=44，那么 1 的度数是（）A14 B15 C16 D177（2018?泸州）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（）第2页（共 8页）A50 B70 C80 D1108、（2018?乌鲁）如图把一个直角三角尺的直角顶点放在直尺的一边上，若1=50，则 2=（）A20 B30 C40 D509、（2018?
3、衢州）如图，将矩形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（）A112B110C108D10610、（2018?新疆）如图，AB CD，点 E在线段 BC上，CD=CE 若 ABC=30，则D为（）A85 B75 C60 D3011、（2018?郴州）如图，直线a，b 被直线 c 所截，下列条件中，不能判定ab（）A 2=4 B 1+4=180C 5=4 D 1=3 12（2018?自贡）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（）A50 B45 C40 D3513、（2018?东营）下
4、列图形中，根据AB CD，能得到 1=2 的是（）ABCD14（2018?临沂）如图，AB CD，D=42，CBA=64，则CBD的度数是（）文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6
5、A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9
6、T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y
7、7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1
8、Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1
9、K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR
10、7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7文档编码:CR7Y7Q4J2K1 HE7P1Z6A1X10 ZV2G1K9T5O7第3页（共 8页）A42 B64 C74 D10615、（2018?恩施州）如图所示，直线a b，1=35，2=90，则3
11、 的度数为（）A125B135C145D15516、（2018?枣庄）已知直线m n，将一块含30角的直角三角板ABC按如图方式放置（ABC=30），16、其中 A，B两点分别落在直线m，n 上，若 1=20，则2 的度数为（）17（2018?内江）如图，将矩形ABCD沿对角线BD折叠，点C落在点 E处，BE交 AD于点 F，已知BDC=62，则DFE的度数为（）A31 B28 C62 D5618、（2018?广州）如图，直线AD，BE被直线 BF和 AC所截，则 1 的同位角和 5 的内错角分别是（）A 4，2 B 2，6 C 5，4 D 2，4 19（2018?荆门）已知直线ab，将一块含
12、45角的直角三角板（C=90）按如图所示的位置摆放，若 1=55，则2 的度数为（）A80 B70 C85 D7520、（2018?随州）如图，在平行线l1、l2之间放置一块直角三角板，三角板的锐角顶点A，B分别在直线 l1、l2上，若 l=65，则2 的度数是（）A25 B35 C45 D6521、将一副三角板如图放置，使点A落在 DE上，若 BC DE，则 AFC的度数为文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9
13、 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文
14、档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A
15、6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8
16、T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z
17、5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A1
18、0A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9
19、S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5第4页（共 8页）22、21、（2018?贵港）如图，将矩形ABCD 折叠，折痕为EF，BC的对应边BC与 CD交于点 M，若BMD=50，则BEF的度数为22、（2018?湘潭）如图，点E是 AD延长线上一点，如果添加一个条件，使BC AD，则可添加的条件为（任意添加一个符合题意的条件即可）三解答题（共 16 小题）23、（2018?重庆）如图，AB CD，EFG的顶点 F，G分别落在直线AB，CD上，GE交 AB于点 H，GE平分 FGD 若 EFG=90，E=35，求EFB的
20、度数24（2015?六盘水）如图，已知，l1l2，C1在 l1上，并且C1A l2，A为垂足，C2，C3是 l1上任意两点，点B在 l2上设 ABC1的面积为S1，ABC2的面积为S2，ABC3的面积为S3，小颖认为S1=S2=S3，请帮小颖说明理由25如图，一个由4 条线段构成的“鱼”形图案，其中 1=50，2=50，3=130，找出图中的平行线，并说明理由文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7
21、V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O
22、3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z
23、8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1
24、R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK
25、5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA
26、9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4
27、F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5第5页（共 8页）26如图，已知 AC ED，ABFD，A=65，求：EDF的度数27如图，已知 ABCD，若 C=40，E=20，求 A 的度数28、如图，两直线 AB、CD相交于点 O，OE平分 BOD，AOC：AOD=7：11文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A1
28、0A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9
29、S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V
30、2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3
31、A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8
32、W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R
33、7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5
34、O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5第6页（共 8页）（1）求COE的度数 2）若射线 OFOE，请在图中画出 OF，并求 COF的度数29如图，四边形 ABCD中，A=C=90，BE平分 ABC，DF平分 ADC，则 BE与DF有何位置关系？试说明理由30已知：如图，C=1，2 和D互余，BE FD于点 G求证：ABCD文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5
35、文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10
36、A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S
37、8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2
38、Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A
39、10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W
40、9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7
41、V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5第7页（共 8页）31 已知：如图所示，ABD和BDC的平分线交于 E，BE交 CD于点 F，1+2=90（1）求证：ABCD；（2）试探究 2 与3 的数量关系32如图，1+2=180，A=C，DA 平分 BDF （1）AE与 FC会平行吗？说明理由；（2）AD与 BC的位置关系如何？为什么？（3）BC平分 DBE吗？为什么文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O
42、3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z
43、8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1
44、R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK
45、5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA
46、9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4
47、F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:
48、CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5第8页（共 8页）33如图，一条直线分别与直线BE、直线 CE、直线 BF、直线 CF相交于点 A，G，H，D 且1=2，B=C（1）找出图中相互平行的线，说说它们之间为什么是平行的；（2）证明：A=D34将 ABC纸片沿 DE折叠，其中 B=C（1）如图 1，点 C落在 BC边上的点 F处，AB与 DF是否平行？请说明理由；（2）如图 2，点 C落在四边形 ABCD内部的点 G处，探索 B与1+2 之间的数量关系，并说明理由文档编码:CK5
49、O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9
50、Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F1R7V2Z5文档编码:CK5O3A10A6G5 HA9Z8W9S8T9 ZC4F