如图,
平分
,
,
于点D,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4506d27656f9009b41c6d2fe44b47e.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8341910ebd42440e3db1580dba30c852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3f083d5949537e46bb0547d8c0c2174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3224457d394d71df7d2955be6149dea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26ea9e9e42ced4f9b7540b368fbd171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4506d27656f9009b41c6d2fe44b47e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/5e1af3c2-ac9c-4975-9a77-1d9cc5ae1b95.png?resizew=184)
更新时间:2022-12-09 14:21:03
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