1 . 下列命题是真命题的是( )
A.对顶角相等 | B.若![]() ![]() |
C.同位角相等 | D.若![]() ![]() |
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2 . 如图,直线
,
被直线
所截,若
,
,则
补角的度数为( )
![](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/d8a4352562ae8aa968014fd0d931b677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d5e8cbcbd23a2945bb7819f5f0155c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 光线在不同介质中的传播速度是不同的,因此当光线从水中射向空气时,要发生折射,所以在水中平行的光线,在空气中也是平行的.若水面和杯底互相平行,
,则
与
的度数分别为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b3db86ea5a0495631aed1ffc68cd9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/605f2976297a0deaa1602ef09d6a5afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c4c3c0a34dc21292fa32befd58d8f82.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() |
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2024-04-09更新
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3卷引用:2024年辽宁省朝阳市建平县部分学校中考数学一模模拟试题
4 . 如图,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494ba20b1444f524cf636961e4688ae8.png)
_______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a4352562ae8aa968014fd0d931b677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494ba20b1444f524cf636961e4688ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
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5 . 如图,直线
,点
在
上,
,垂足为
.若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027830fc47290062692964077ee481e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f6e0479fbbde99d88003605dfa8596.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31d12e61dc68c31723d73a59e0a70860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 下列命题为真命题的是( )
A.三角形的外心是三角形三个内角角平分线的交点 |
B.同位角相等 |
C.三角形的内心到三边的距离相等 |
D.正多边形都是中心对称图形 |
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7 . 如图,
,直线
分别交
,
于点
,
,将一个含有
角的直角三角尺按如图所示的方式摆放,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3074b8f8364853f231f56558bfea67d1.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cae1ca9edccf4454141edd0cae43eb2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3074b8f8364853f231f56558bfea67d1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/5/8bce5b72-a8da-4161-998b-92ae8be28fc6.png?resizew=153)
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8 . 如图,
,点M是
上一点,过点M作
,若
平分
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b458c7ba80e8ec7a6e27f197ff2d213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9171484a68c84cad91e4f2233392f600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/050a400ef5900c4a69b4d3270b0b4ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59e8f8d2f029a4efd8ed7c202c8de9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f29686173c0015073a784b80b26aa3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5卷引用:2024年辽宁省沈阳市和平区数学模拟预测题
2024年辽宁省沈阳市和平区数学模拟预测题2023年河南省周口市项城市中考三模数学试题(已下线)第03讲 平行线的性质(知识解读+达标检测)-2023-2024学年七年级数学下册《知识解读·题型专练》(人教版)(已下线)专题02 平行线的性质(五大题型)(题型专练)-2023-2024学年七年级数学下册《知识解读·题型专练》(苏科版)(已下线)第06讲 平行线的性质(1个知识点+6类热点题型讲练+习题巩固)-【帮课堂】2023-2024学年七年级数学下册同步学与练(人教版)
9 . 已知直线
,将一块含
角的直角三角板
按如图所示方式放置,直角顶点
在直线
上,斜边
与直线
相交.若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc8444d63d1ca92651c62fe9b220859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/136270288edd89d77728dbf602c2e2eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/20/a1a164dc-f536-439d-83a0-acd0d38e56bc.png?resizew=154)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:2023年辽宁省锦州市一模数学试题
10 . 如图,已知
,
,
,则
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/208e8b5dfd8da1f3945e8568a7ea5bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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