下列命题是真命题的是( )
A.不相交的两条直线叫做平行线 |
B.经过直线外一点,有且只有一条直线与已知直线平行 |
C.两直线平行,同旁内角相等 |
D.两条直线被第三条直线所截,同位角相等 |
22-23七年级下·广东佛山·阶段练习 查看更多[2]
广东省佛山市南海区南桥学校2022-2023学年七年级下学期第二次月考数学试题(已下线)第01讲 为什么要证明、定义与命题(5类热点题型讲练)-【帮课堂】2023-2024学年八年级数学上册同步学与练(北师大版)
更新时间:2023-10-27 09:20:17
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【推荐1】如图,直线
,直线
交
于点
,交
于点
,过点
的直线
交
于点
.若
,
,则
等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/14/6d620b8b-7958-4b74-b740-ae4eb87dabf3.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027830fc47290062692964077ee481e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f2813ee8f26cca880b6427f5f545d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8889aad264f6d356c3f8bebe7d92e1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f003d2c2b11dd58e0a3de67c54b6de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/14/6d620b8b-7958-4b74-b740-ae4eb87dabf3.png?resizew=162)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,将一块含
的直角三角板的直角顶点放在直尺的一边上,当
时,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/2023/4/12/3214846671560704/3340378767171584/STEM/b5f66df99415456482f3e03e67e07351.png?resizew=281)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b4eb3df08757e2b6c15122a6ca89f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://img.xkw.com/dksih/QBM/2023/4/12/3214846671560704/3340378767171584/STEM/b5f66df99415456482f3e03e67e07351.png?resizew=281)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】下列四个图形中,已知
,能够判定
的有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/fd4eb329-714a-426a-8800-8774e089d75f.png?resizew=142)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/87bf7245-a760-466e-8642-03f586c0ae12.png?resizew=171)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/73fc5539-e3b0-4215-a568-d2f51915cce5.png?resizew=155)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/8fb703c8-014b-4e7f-a4e1-38c88393711e.png?resizew=142)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e53497af8899cb299d762f1a4f46a55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/fd4eb329-714a-426a-8800-8774e089d75f.png?resizew=142)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/87bf7245-a760-466e-8642-03f586c0ae12.png?resizew=171)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/73fc5539-e3b0-4215-a568-d2f51915cce5.png?resizew=155)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/8fb703c8-014b-4e7f-a4e1-38c88393711e.png?resizew=142)
A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐2】下列说法中,是真命题的是( )
A.图形的平移是指把图形沿水平方向移动 |
B.同角的余角相等 |
C.过一点有且只有一条直线与已知直线垂直 |
D.同旁内角相等 |
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【推荐1】下列命题为真命题的是( )
A.垂直于同一直线的两条直线互相垂直 |
B.到角的两边距离相等的点在这个角的角平分线上 |
C.顺次连接矩形四边中点所形成的四边形是菱形 |
D.甲、乙两人在相同的条件下各射击![]() ![]() ![]() |
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【推荐2】下列命题是真命题的是( )
A.若![]() ![]() | B.相等的角是对顶角 |
C.同旁内角互补 | D.如果![]() ![]() |
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