如图,已知四边形
为正方形,
,
为对角线
上一点,连接
,过点
作
,交
的延长线于点
,以
,
为邻边作矩形
,连接
.下列结论:①矩形
是正方形;②
;③
;④
.其中结论正确的序号有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6834ac70927ae08d7d36a1922403c9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f0805cc7a96c866df10b667ac4851e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac679f877d3e3b3acef1f1f8e3654b4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343f75b2c5479c279abca2faed278901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb2633cfe999be10797645788e7de23.png)
A.①②③④ | B.①③④ | C.①③ | D.②④ |
2024·广东韶关·二模 查看更多[3]
2024年广东省韶关市九年级中考二模数学试题2024年广东省广州市中考模拟数学试题(已下线)第06讲 正方形的判定【七大考点+过关测】- 【暑假自学课】2024年新九年级数学暑假提升精品讲义(北师大版)
更新时间:2024-05-10 21:23:20
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【推荐1】在锐角三角形
中,
是
边上的高,分别以
、
为一边,向外作正方形
和
,连接
、
和
,
与
的延长线交于点M,下列结论:①
;②
;③
;④
是
的中线,其中结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
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A.①②③ | B.①②④ | C.②③④ | D.①②③④ |
您最近一年使用:0次
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【推荐2】如图,以
的边
向两侧做等边
与等边
,连接
交于点M,连接
,①
;②
;③
平分
;④
;则以上结论正确的有()个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d54431bbb28ebd98db5c1dc6083a75.png)
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A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
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真题
名校
【推荐1】如图,四边形
为正方形,将
绕点
逆时针旋转
至
,点
,
,
在同一直线上,
与
交于点
,延长
与
的延长线交于点
,
,
.以下结论:
①
;②
;③
;④
.其中正确结论的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f850c705372b8a85489505da53239fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/555761f72a4c0698c78ca319ed6ff0c5.png)
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①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5fdb29cdd09ab03130ec1f3462ac014.png)
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A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐2】 如图,点P是正方形ABCD的对角线BD上一点,PE⊥BC于点E,PF⊥CD于点F,连接EF给出下列五个结论:①AP=EF;②AP⊥EF;③△APD一定是等腰三角形;④∠PFE=∠BAP;⑤PD=
EC.其中正确结论的番号是( )
![](https://img.xkw.com/dksih/QBM/2020/3/22/2424922861477888/2425232757391360/STEM/d4f9effe-4bde-416c-b2c7-65047d9e6dd6.png?resizew=126)
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A.①②④⑤ | B.①②③④⑤ | C.①②④ | D.①④ |
您最近一年使用:0次