如图,已知正方形
,E为
的中点,F是
边上的一个动点,连接
将
沿
折叠得
,延长
交
于M,现在有如下5个结论:①
定是直角三角形;②
;③当M与C重合时,有
;④
平分正方形
的面积;③
,在以上5个结论中,正确的有______ .
![](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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a6367906838b35904ad7480b7a73fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68d65ed39a9dfd09c5b907b5de6b144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385920ade4fdebecdbaf3d063a93c8e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1530fa1876c6d39addefe8b1e24f5d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a6f9fee7c5513eb82cb9fd9c545876.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/769568c1-c627-4b53-b7dd-117be3f5c03c.png?resizew=161)
更新时间:2024-02-28 15:37:24
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相似题推荐
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【推荐1】已知:如图,在正方形
外取一点
,连接
,
,
.过点
作
的垂线交
于点
.若
,
.下列结论:
①
;
②点
到直线
的距离为
;
③
;
④
;
⑤
,
其中正确结论的序号是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c17d3ece9b7096aa5db32383448a072f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae16b72924eb24c45f5dcfab07cc01b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8405158751b8479e4cdb71bb9a950a6.png)
②点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839c7616cd0d90265f4b2c9c021254fe.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fd94ce5e3c9daeb9129d945a45a953e.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66939e4caddc41bc8db4bc8b914626ee.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa015dbde53c3a8b1c603bd9c1eebdf7.png)
其中正确结论的序号是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/12/44791407-477c-4e58-a4da-8fb3321b3ceb.png?resizew=171)
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【推荐2】如图,等边三角形ABC中,D,E分别为AB,BC边上的点,AD=BE,AE与CD交于点F,AG⊥CD于点G,则sin∠AFG的值________ .
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【推荐1】如图,已知矩形纸片
,其中
,
,现将纸片进行如下操作:
与
重合,折痕为
,展开后如图②;
第二步,再将图②中的纸片沿对角线
折叠,展开后如图③;
第三步,将图③中的纸片沿过点
的直线折叠,使点
落在对角线
上的点
处,如图④则
的长为________ .
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第二步,再将图②中的纸片沿对角线
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第三步,将图③中的纸片沿过点
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
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【推荐2】如图,矩形ABCD中,AB=4,AD=6,点E为AD中点,点P为线段AB上一个动点,连接EP,将△APE沿PE折叠得到△FPE,连接CE,DF,当线段DF被CE垂直平分时,AF则线的长为_______ .
![](https://img.xkw.com/dksih/QBM/2022/1/10/2897756937576448/2960845641121792/STEM/d1f0e838-3af3-441f-adca-eeb6c2f8d9f2.png?resizew=219)
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名校
【推荐1】如图,在正方形
中,
,
为对角线
上与
不重合的一个动点,过点
作
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,
于点
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【推荐2】如图,正方形
的边长为3,E为
边上的动点,连接
,将
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得到线段
,连接
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的最小值是______ .
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【推荐1】如图,△ADE绕正方形ABCD的顶点A顺时针旋转90°,得△ABF,连接EF交AB于H,则下列结论: ①AE⊥AF;②EF:AF=
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,
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