如图,将矩形
折叠,使C点与A点重合,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a71a9d21f77e9535de152bb33f802bb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a71a9d21f77e9535de152bb33f802bb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/22/3a718ed4-1ccb-4ac3-baee-d7b943aba60c.png?resizew=191)
更新时间:2023-08-22 22:14:08
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【推荐1】如图,
中,
、
分别是高和角平分线,点F在
的延长线上,
,交
于点G,交
于点H;下列结论中正确的是_____ .(写出所有正确结论的序号)
①
;②
;③
;④
.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d14d6c8ae0b87e1c2331b2b2d5d0548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d34653ac6ef5097141524f20dd42f1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8ec9cf66c1515f3d876be2d9cac224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d1aa6bcd617e11baead44a57b53ce0.png)
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【推荐2】如图,正方形
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【推荐1】如图,矩形ABCD中,AB=2,BC=1,将矩形ABCD绕顶点C顺时针旋转90°,得到矩形EFCG,连接AE,取AE的中点H,连接DH,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e09660e8bff0beac4eb769f8145e94b.png)
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【推荐2】如图,矩形ABCD中,E是AD的中点,将
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