如图,在
中,
,
,垂足为
.下列说法不正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/8/12/3042728610111488/3065772521930752/STEM/48c7095c9eb845888e8913ce03a6d0ed.png?resizew=146)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/2022/8/12/3042728610111488/3065772521930752/STEM/48c7095c9eb845888e8913ce03a6d0ed.png?resizew=146)
A.与![]() ![]() | B.点![]() ![]() ![]() |
C.![]() | D.若![]() ![]() |
21-22七年级下·安徽宿州·期末 查看更多[3]
安徽省宿州市埇桥区宿城一中2021-2022学年七年级下学期末数学试卷 (已下线)第08讲 等腰三角形(7大考点)-2022-2023学年八年级数学考试满分全攻略(人教版)(已下线)八年级上册期中测试试卷02-2022-2023学年八年级数学上册同步考点知识清单+例题讲解+课后练习(人教版)
更新时间:2022-09-13 21:13:04
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【推荐1】将一副直角三角尺按如图所示的不同方式摆放,则图中
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【推荐2】下列命题中是真命题的是( )
A.同角的补角相等 | B.若![]() ![]() |
C.面积相等的两个三角形全等. | D.若![]() ![]() |
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【推荐1】下列说法中正确的个数有( )
①从直线外一点到已知直线的垂线段叫做点到直线的距离;
②连接直线外一点与直线上各点的所有线段中,垂线段最短;
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④两条直线被第三条直线所截,内错角相等;
①从直线外一点到已知直线的垂线段叫做点到直线的距离;
②连接直线外一点与直线上各点的所有线段中,垂线段最短;
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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④两条直线被第三条直线所截,内错角相等;
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【推荐2】点P为直线l外一点,A,B,C三点在直线l上,
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【推荐1】如图,某同学在课桌上随意将一块三角板的直角叠放在直尺上,则∠1+∠2的度数是( )
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【推荐2】如图,
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