如图,在
中,
、
分别是
的中线和角平分线,
,
,则
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58196842483577dbc6be9bc873651d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4151e948feebdf7b91fbe739feafa9bc.png)
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![](https://img.xkw.com/dksih/QBM/2022/2/28/2926352297476096/2928250584743936/STEM/0a3f407d94e747c7909b496dd08f3a34.png?resizew=186)
更新时间:2022-03-03 14:03:58
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