如图所示,在人字形屋架中,AB=AC,D是BC的中点.求证:△ABD≌△ACD.
![](https://img.xkw.com/dksih/QBM/2021/9/14/2808050965823488/2808492156477440/STEM/ea70f0f7-3fe9-49cd-80f4-962f8c262d77.png)
更新时间:2021-09-15 09:14:49
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【知识点】 用SSS直接证明三角形全等(SSS)解读
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