(完整word版)八年级数学《全等三角形》试卷(含答案).pdf

1 八年级数学第十二章全等三角形单元试卷考试时间100 分钟 满分 100 分一、选择题（每题3 分共 30 分）1、如图 1，已知 A=D，1=2，那么要得到 ABC DEF，还应给出的条件是（）A、E=B B、ED=BC C、AB=EF D、AF=CD 2、如图 2在 ABC 中，D、E 分别是边 AC、BC 上的点，若ADB EDBEDC，则 C 的度数为（）A、15B、20C、25D、303、如图 3 所示，在 ABC 中，B=C，AD 为ABC 的中线，那么下列结论错误的是（）A、ABD ACD B、AB=A C、AD 是ACD 的高D、ABC 是等边三角形图 1 图 2 图 3 4、如图4，已知 ABC的六个元素，则下面甲、乙、丙三个三角形中和ABC全等的图形是（）A、甲和乙B、乙和丙C、只有乙D、只有丙精品资料-欢迎下载-欢迎下载 名师归纳-第 1 页，共 8 页 -2 图 4 5、如图 5，AO=BO，CO=DO，AD 与 BC 交于 E，则图中全等三角形的对数为（）A、2 对B、3 对C、4 对D、5 对6、如图 6，已知 1=2，欲证 ABD ACD，还必须从下列选项中补选一个，则错误的选项是（）A、ADB=ADC B、B=C C、BD=CD D、AB=AC 图 5 图 6 7、下列说法正确的有（）角平分线上任意一点到角两边的距离相等到一个角两边的距离相等的点在这个角的平分线上三角形三个角平分线的交点到三个顶点的距离相等三角形三条角平分线的交点到三边的距离相等A、1 个B、2 个C、3个D、4 个8、如果 ABCDEF，DEF 的周长为 13，DE=3，EF=4，则 AC 的长（）A、13 B、3 C、4 D、6 9、已知如图 7，ACBC，DEAB，AD 平分 BAC，下面结论错误的是（）A、BD+ED=BC B、DE 平分 ADB C、AD 平分 EDC D、ED+ACAD 10、如图 8，某同学把一块三角形的玻璃打碎成了三块，现在要到玻璃店去配一块完全一样的玻璃，那么最省事的办法是（）A、带去B、带去C、带去D、带去图 7 图 8 精品资料-欢迎下载-欢迎下载 名师归纳-第 2 页，共 8 页 -文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S93 二、填空（每题3 分，共 15 分）11、如图 9 已知OAB 是AOB 绕点 O 旋转 60 得到的，那么 OAB 与OAB 的关系是，如果 AOB=40 ，B=50 ，则 AOB=AOB=。图 9 12、ABC 中，AD BC 于 D，要使 ABD ACD，若根据“HL”判定，还需要加条件，若加条件 B=C，则可用判定。13、如图 10，在 ABC 中，C=90 AD 平分 BAC，BC=12cm，BD=8cm 则点D 到 AB 的距离为。14、如图 11，1=2，要使 ABE ACE 还要添加一个条件是。15、如图 12，已知相交直线AB 和 CD，及另一直线MN，如果要在MN 上找出与 AB、CD 距离相等的点，则这样的点至少有个，最多有个。图 10 图 11 图 12 三、解答题16、（7 分）如图所示，太阳光线AC 和 AC是平行的，同一时刻两个建筑物在太阳下的影子一样长，那么建筑物是否一样高？说明理由。精品资料-欢迎下载-欢迎下载 名师归纳-第 3 页，共 8 页 -文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S94 17、（7 分）雨伞的中截面如图所示，伞骨 AB=AC，支撑杆 OE=OF，AE=31AB，AF=31AC，当 O 沿 AD滑动时，雨伞开闭，问雨伞开闭过程中，BAD与CAD 有何关系？说明理由。18、（8 分）画图，如图是三条交叉公路，请你设计一个方案，要建一个购物中心，使它到三条公路的距离相等，这样的地址有几处？请你画出来19、（8 分）如图，直线a/b，点 A、B 分别在 a、b 上，连结 AB，O 是 AB 中点，过点 O 任意画一条直线与a、b 分别相交于点P、Q，观察线段PQ 与点 O 的关系，你能发现什么规律吗？证明你的结论精品资料-欢迎下载-欢迎下载 名师归纳-第 4 页，共 8 页 -文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S95 20、（8 分）如图所示，四边形ABCD 中 AB=AD，AC 平分 BCD，AEBC，AFCD，图中有无和 ABE 全等的三角形？请说明理由。21、（8 分）已知，如图 A、F、C、D 四点在一直线上，AF=CD，AB/DE，且 AB=DE，求证：（1）ABC DEF（2）CBF=FEC 22、（9 分）如图，正方形ABCD 的边 CD 在正方形 ECGF 的边 CE 上，连接 BE、DG，（1）观察猜想BE 与 DC 之间的大小关系，并证明你的结论。（2）图中是否存在通过旋转能够互相重合的两个三角形？若存在，请说出旋转过程，若不存在，说明理由。精品资料-欢迎下载-欢迎下载 名师归纳-第 5 页，共 8 页 -文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S96 附加题：如图，在ABC 中，BAC=90 ，AB=AC，若 MN 是经过点 A 的直线，BDMN于 D，CEMN 于 E，（1）求证：BD=AE。（2）若将 MN 绕点 A 旋转，使 MN 与 BC 相交于点 O，其他条件都不变，BD 与AE 边相等吗？为什么？（3）BD、CE 与 DE 有何关系？精品资料-欢迎下载-欢迎下载 名师归纳-第 6 页，共 8 页 -文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S97 参考答案一、选择题1、D 2、D 3、D 4、B 5、B 6、C 7、C 8、D 9、B 10、C 二、填空11、全等，40，10012、AB=AC AAS 13、4cm 14、B=C（或 BAE=CAE 或 EB=EC）15、1，2 三、解答题16、解：建筑物一样高理由为：由已知可知ABBC，ABBC，BC=BC，ABC=ABC=90，由平行光线知AC/AC，ACB=ACB，在ABC 和ABC 中ACBACBBCBCABCABC ACBACB（ASA）AB=AB 故两建筑物一样高。17、解：BAD=CAD 理由为：AE=31AB AF=31AC AB=AC AE=AF 在AEO 与AFO 中AOAOOFOEAFAE AEOAFO（SSS）BAD=CAD 18、有四处（图略）解：各角平分线的交点19、解：O 是 PQ 的中点证明：a/b PAB=QBA O 是 AB 中点AO=OB 在AOP 与BOQ 中BOQAOPOBAOQBAPAB AOPBOQ（ASA）PO=OQ 即 O 是 PQ 的中点20、解：ADF 和ABE 全等AC 平分 BCD，AEBC，AF CD AE=AF，精品资料-欢迎下载-欢迎下载 名师归纳-第 7 页，共 8 页 -文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S9文档编码:CK9Z1L4P2H4 HA5G1Y1L6L8 ZF2N6Z10T10S98 又 AB=AD RtABERtADF（HL）21、证明：（1）AF=CD AF+FC=DC+FC 即 AC=DF DE/AB A=D 在ABC 和DEF 中DFACDADEAB ABCDEF（2）由（1）得 ABC=DEF 又由三角形全等得ABF=DEC ABC-ABF=DEF-DEC 即CBF=FEC 22、解：（1）BE=DG 证明：在 BCE 和DCG 中四边形 ABCD