如图,
中,
,
,D,E分别为AC,AB边上的点,将
沿DE翻折,点A恰好与点B重合,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefc12c61c95d8e36846a6aac1c9105b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3018c687427b6257767eda4a8c6612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
![](https://img.xkw.com/dksih/QBM/2022/1/11/2892225946820608/2893783100858368/STEM/8473e5bc-e1cc-47b1-b9ce-a20e5f1e9248.png?resizew=238)
21-22八年级上·广东东莞·期末 查看更多[2]
更新时间:2022-01-13 21:19:42
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适中
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【推荐1】如图,在
中,
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的角平分线
交
于点E.点D为
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(1)则
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b1927db96d84f27197b5a654b622f6.png)
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【推荐2】如图,在▱ABCD中,BE平分∠ABC交AD于点E,过点A作AF⊥DC,交DC的延长线于点F,分别交BE,BC于点G,H,若AH=
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