名校
1 . 如图,在菱形
中,延长
于
并且
,
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7dcbc0a82c2495d16dd1dfcb7bb0e57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d55b2904f81cd776f8748d507890ea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d29e7c4d6216690152430b09f9cf0c2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/10/60920995-503b-459c-9618-13301903505b.png?resizew=182)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:湖北省恩施市七里中学2021-2022学年八年级下学期月考数学试题
2 . 如图,已知
,点D为
内部的一点,以D为顶点,作
,使得
,
,则得到的![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97d15e903698509950f54f7fa030820.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50139f281e4d1a6d1dcb4f4327d7b2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c962fe4f47732b8e6e83d17ff2b9af13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436f108fd4921dae15ecff19270237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cad97dd9d9593fa01342550aba6ec47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97d15e903698509950f54f7fa030820.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/4/37cd9e19-5a66-43a1-85a8-b6c50118f20d.png?resizew=133)
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2卷引用:广东省茂名市高州校际联盟2021-2022学年七年级下学期期中数学试题(A卷)
3 . 如图,
是等边三角形,
,若
,
,则四边形
的周长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436f108fd4921dae15ecff19270237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f01c4faacedfe56f5127d6c0cc63cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1333acc72211e3ddb9a0f8c726ce8a5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/2/2a12c1fa-4654-494e-8949-dab541092054.png?resizew=105)
A.8 | B.9 | C.13 | D.15 |
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4 . 下列命题中,是假命题的是( )
A.两直线平行,同位角相等 | B.对顶角相等 |
C.同旁内角相等,两直线平行 | D.全等三角形的对应角相等 |
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2卷引用:河南省周口市沈丘县中英文学校2022-2023学年八年级上学期期中数学试题
5 . 给出下列说法:
不相交的两条直线叫做平行线;
两条直线被第三条直线所截,同位角相等;
过一点有且只有一条直线与已知直线平行;
过一点有且只有一条直线与已知直线垂直;
垂直于同一条直线的两条直线平行;
平移、旋转和轴对称的图形变换方式,都不改变图形的形状和大小.其中说法正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62295c36d2e2174908c2bec0eb5b30f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b49be5fb800b66cdb284b864e8f04a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d81110dda891e41bbf228210e18c371.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bae0268d7331374bb46ae54aa42ff355.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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6 . 如图,
,
平分
,
平分
交
的延长线于点E,若
,则
的度数为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7a82bf203df79ba6c0ef80026198d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f3956f008cc29ca4bae44a087d5427.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8610307eb3440656d11d5da3d65d9bd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e48cc7af93739bab013410b90b7a96e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/4/57739be3-bc2e-42a4-b699-c1d8a018ad02.png?resizew=181)
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11卷引用:湖南省长沙市2021-2022学年七年级下学期期末数学试题
湖南省长沙市2021-2022学年七年级下学期期末数学试题四川省成都市九中光华校区、泡桐树中学2021-2022学年七年级下学期期中数学试题(已下线)专题5.32《二元一次方程组》全章复习与巩固(培优篇)(专项练习)-2022-2023学年八年级数学上册基础知识专项讲练(北师大版)鲁教版(五四制)七年级数学下册第8章平行线的有关证明单元测试卷四川省成都市泡桐树中学2019-2020学年七年级下学期期中数学试题辽宁省沈阳市和平区南昌新世界学校2019-2020学年七年级下学期期中数学试题河北省沧州市沧县等五县2020-2021学年七年级下学期期末数学试题广东省广州外国语学校2020-2021学年七年级下学期期中数学试题(已下线)专题11.18 三角形(全章分层练习)(提升练)-2023-2024学年八年级数学上册基础知识专项突破讲与练(人教版)四川省泸州市龙马高中学士山学校2023-2024学年八年级上学期第一次月考数学试题(已下线)浙江七年级下期末真题精选(压轴60题19个考点专练)-【满分全攻略】2022-2023学年七年级数学下学期核心考点+重难点讲练与测试(浙教版)
7 . 如图,点
为
的外角
平分线上的一点,
.求证:
是等腰三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5157b42da58d55daad27d98b2fec15ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/542b5bc10c7341c04c22244f3ec16e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/3/2b35d0a5-3f91-424d-8b8e-5a7f04b18bff.png?resizew=132)
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8 . 已知:如图,点B,E,C,F在同一直线上,
,且
,
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd81adb13f5a7550b0f94f770900a613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a510a3eb906b3ef0760b0d1723d11ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f805768a5ffaf8bdfa4bc3b680aafdc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac61f3477e623aa4f924a82bd7a06ce4.png)
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9 . 如图,直线
,
被直线
,若
,
,则
的度数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a21d89e915c8b857db0e699361c59e96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a4f855c3eb19ff5fe4449a514953ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a9f5bc9274792d2ded5efa5fd4ff8bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/23/61eed356-fcc7-4f64-9001-b1b8c3208bc0.png?resizew=160)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 如图,直线
,直线c与直线a,b相交,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a4352562ae8aa968014fd0d931b677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b407ae418a5c5d7b2185cfeaed1cff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc310194575262fb45352c2fbc19868.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/5/aa6d142c-4e91-4d79-85ca-7ba9431d2d1d.png?resizew=160)
A.![]() | B.![]() | C.![]() | D.![]() |
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