如图,
,
、
相交于点
,过
作
交
于点
,如果
,
,那么
的长是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/451557ef624a9c142ebc5fa155e0e28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca7e1a727ba332984ad857b3d25344d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/2021/1/7/2631199898869760/2634567193255936/STEM/30fabf74-7838-46e4-9bc4-3b38bd4a005b.png?resizew=170)
更新时间:2021-01-12 15:43:35
|
【知识点】 相似三角形的判定与性质综合
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【推荐1】如图,在平行四边形ABCD中,E是AB的延长线上的一点,DE与边BC相交于点F,
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的值为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e3772cf4e480a0e435c74873657490.png)
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【推荐2】如图,在
中,点
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上,如果
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,那么
与四边形
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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