已知:如图,
,
.试说明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb44c784540126b7a6ef025970cbf40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1393308bc68322f50fa29702dd412263.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76644ca2e1256967f218b1f40c358ed3.png)
更新时间:2024-05-11 12:23:59
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【知识点】 根据平行线判定与性质证明
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