4相交线与平行线单元检测题.pdf

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1、1/6 EABCDGF2014 相交线与平行线单元检测题（本卷共150 分，120分钟完成）一、填空题（每小题2 分，共 30 分）1、一个角的余角是30o，则这个角的补角是.2、一个角与它的补角之差是20o，则这个角的大小是.3、如图，如果=，那么根据可得 AD BC（写出一个正确的就可以）.4、如图，1=82o，2=98o，3=80o，则 4=度.5、如图，直线AB，CD，EF相交于点O，AB CD，OG 平分 AOE，FOD=28o，则 BOE=度，AOG=度.6、时钟指向3 时 30 分时，这时时针与分针所成的锐角是.7、如图，ABCD，BAE=120o，DCE=30o，则 AEC=度

2、.8、把一张长方形纸条按图中，那样折叠后，若得到AOB =70o，则 OGC=.9、如图中DAB 和 B 是直线 DE 和 BC 被直线所截而成的，称它们为角.10、如图，正方形ABCD 中，M 在 DC 上，且 BM=10，N 是 AC 上一动点，则DN+MN的最小值为.11、如 图，直 线l 是 四 边 形ABCD的 对 称 轴，若AB=CD，有 下 面 的 结 论：AB CD；AC BD；OA=OC；AB BC。其中正确的结论有(填序号).12、经过平移，对应点所连的线段_且_，对应线段 _且_，对应角 _。13、如图，当半径为30cm 的转动轮转过120 角时，传送带上的物体A 平移的

3、距离为cm。14、经过平移，ABC 的边 AB 移到了 EF，作出平移后的三角形(第 15 题图)15、如图，在四边形ABCD 中，AD BC，BCAD，B 与 C 互余，将AB，CD 分别平移到EF和 EG 的位置，则EFG 为 _三角形，若AD=2cm，BC=8cm，则 FG=_。l DACBOC A B E F 2/6 二、选择题（每小题2 分，共 40 分）1、下列正确说法的个数是（）同位角相等对顶角相等等角的补角相等两直线平行，同旁内角相等A.1，B.2，C.3，D.4 2、如图，在ABC 中，AB=AC，A=36o，BD 平分 ABC，DE BC，那么图中的等腰三角形的个数是（）个

4、。A.3，B.4，C.5，D.6 3、下列图中1 和 2 是同位角的是（）A.、，B.、，C.、，D.、4、下列说法正确的是（）A.两点之间，直线最短；B.过一点有一条直线平行于已知直线；C.和已知直线垂直的直线有且只有一条；D.在平面内过一点有且只有一条直线垂直于已知直线.5、一束光线垂直照射在水平地面，在地面上放一个平面镜，欲使这束光线经过平面镜反射后成水平光线，则平面镜与地面所成锐角的度数为（）A.45o，B.60o，C.75o，D.80o6、如图，DHEGEF，且 DCEF，那么图中和1 相等的角的个数是（）A.2，B.4，C.5，D.6 7、在下面五幅图案中，(2)、(3)、(4)、

5、(5)中哪一幅图案可以通过平移图案(1)得到.（）A.(2)B.(3)C.(4)D.(5)8、在平面内，将一个图形绕一个定点沿某个方向转动一个角度，这样的图形运动称为旋转.下列图案中，不能由一个图形通过旋转而构成的是（）9、已知 AOB=30，点 P在 AOB 内部，P1与 P关于 OB 对称，P2与 P关于 OA 对称，则P1，O，P2三点所构成的三角形是（）A直角三角形B钝角三角形 C等腰三角形 D等边三角形10、如图是一跳棋盘，其中格点上的黑色点为棋子，剩余的格点上没有旗子。我们约定跳棋游戏的则是：把跳棋旗子在棋盘内沿直线隔着旗子对称跳行，跳行一次称为一步。已知点A 为已方一枚子，欲将旗

6、子A 跳进对方区域(阴影部分的格点)，则跳行的最少步数为（）A B C D 文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9

7、U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC

8、10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W

9、8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10

10、 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B1

11、0P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档

12、编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2

13、C3M9U4文档编码:CA9B10P1O9H10 HG10U5W8L2A7 ZC10L2C3M9U43/6 A.2 步 B.3 步 C.4 步 D.5 步11、在以下现象中，温度计中，液柱的上升或下降；打气筒打气时，活塞的运动；钟摆的摆动；传送带上，瓶装饮料的移动。属于平移的是（）（A），（B），（C），（D），12、如果一个角的补角是150，那么这个角的余角的度数是()A.30 B.60 C.90 D.120 13、下列语句中，是对顶角的语句为()A.有公共顶点并且相等的两个角 B.两条直线相交，有公共顶点的两个角C.顶点相对的两个角 D.两条直线相交，有公共顶点没有公共边的两个角14、如图

14、，下列说法错误的是()A.1 和 3 是同位角 B.1和 5 是同位角C.1 和 2 是同旁内角 D.5和 6是内错角15、如 图，已 知ABCDEF，BCAD，AC 平 分BAD，那么图中与 AGE 相等的角有()A.5 个B.4 个C.3 个D.2 个16、如 图，OBOD，OCOA，BOC=32，那么 AOD 等于()A.148 B.132 C.128 D.90 17、如图，已知1=B，2=C，则下列结论不成立的是()A.ADBCB.B=C(第 16 题图)(第15 题图)C.2+B=180 D.ABCD18、下列命题正确的是()A.内错角相等B.相等的角是对顶角C.三条直线相交，必产生

15、同位角、内错角、同旁内角D.同位角相等，两直线平行(第 17 题图)19、两平行直线被第三条直线所截，同旁内角的平分线()A.互相重合B.互相平行 C.互相垂直D.无法确定20、如图 13，直线 AB、CD 相交于点O，EFAB 于 O，且 COE=50，则 BOD 等于()A.40 B.45 C.55 D.65 三、解答题（共80 分）1、按要求作图（每小题5分，共 20 分）已知点 P、Q 分别在 AOB 的边 OA，OB 上（如图）.作直线PQ，过点 P作 OB 的垂线，过点 Q 作 OA 的平行线.（不写作法，但要保留作图痕迹）A、B 两村位于一条河的两岸,假定河的两岸笔且平行,如图,

16、现要在河上垂直于河岸建一座桥.问:应把桥建在什么位置,才能使 A 村经过这座桥到B?村的路程最短?请画出草图,并简要说明作法及理由.AB文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8

17、H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C

18、2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10

19、N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2

20、C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码

21、:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5

22、M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C34/6、如图，ABCD是一块釉面

23、砖，居室装修时需要一块梯形APCD 的釉面砖，且使APC120o.请在长方形AB 边上找一点P，使 APC 120o.然后把多余部分割下来，试着叙述怎样选取P 点及其选取 P点的理由.解：作法：证明：、将字 母A按箭 头所 指的 方向,平移3,作出 平移后 的图 形.解：作法：2、根据题意填空（每小题5 分，共 10 分）如图，已知直线EF 与 AB、CD 都相交，ABCD，求证：1=2.证明：EF 与 AB 相交(已知 )1=()ABCD (已知 )2=()1=2()已知，如图，ADBC，BAD=BCD，求证：ABCD.证明：AD BC(已知)1=()()又 BAD=BCD(已知 )BAD

24、1=BCD 2()即：3=4()3、计算（每小题5 分，共 10 分）如图，直线a、b 被直线 c 所截，且ab,若 1=118 求 2为多少度?已知一个角的余角的补角比这个角的补角的一半大90，求这个角的度数等于多少度？文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V

25、8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10

26、C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC1

27、0N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M

28、2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编

29、码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M

30、5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O

31、8 HX6V8H4G10C2 ZC10N7H7M2C35/6 4、猜想说理（每小题5 分，共 30 分）、已知:如图,DA AB,DE 平分 ADC,CE 平分 BCD,且 1+2=90.试猜想 BC 与 AB 有怎样的位置关系，并说明其理由、已知:如图所示,CDEF,1=2,.试猜想 3 与 ACB 有怎样的大小关系，并说明其理由已知(如图)AEBC 于 E,1=2,试说明 DCBC 的理由?如图,已知 1+2+180,DEF=A,试判断 ACB 与 DEB 的大小关系,?并对结论进行说明.21AECDB321FAGECDBEDCBA21FEDCBA21文档编码:CK3M5M5Q6O8 HX

32、6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G

33、10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 Z

34、C10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H

35、7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文

36、档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK

37、3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q

38、6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C36/6 如图,1=2,D=A,那么 B=C 吗?为什么?如图所示,A,O,B 在一条直线上,OE 平分 COB,OD OE 于 O,试说明 OD?平分 AOC.5、应用实际、解决问题（共10 分）如图(a)

39、所示,五边形ABCDE 是张大爷十年前承包的一块土地示意图,经过多年开垦荒地,现已变成图(b)所示的形状,?但承包土地与开垦荒地的分界小路(即图(b)中折线CDE)还保留着.张大爷想过E 点修一条直路,直路修好后,?要保持直路左边的土地面积与承包时的一样多,右边的土地面积与开垦的荒地面积一样多.请你用有关知识,按张大爷的要求设计出修路方案.(不计分界小路与直路的占地面积)(1)写出设计方案,并在图中画出相应的图形。(2)说明方案设计理由.AECDBNMAECDB (a)(b)1D2HFAGECBEO1CBA3 24D文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M

40、2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编

41、码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M

42、5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O

43、8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V

44、8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10

45、C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3文档编码:CK3M5M5Q6O8 HX6V8H4G10C2 ZC10N7H7M2C3