如图,
中,如果
,
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b763ff9b9d3b594e946a5366ebae9b6b.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a078495ba47076ccaa28b46f765d80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d500d8074c07beffbbf085228bf7a22e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b763ff9b9d3b594e946a5366ebae9b6b.png)
![](https://img.xkw.com/dksih/QBM/2019/9/11/2288349243703296/2290018270011392/STEM/6e91481c3c9f46779fbdf861cea82061.png?resizew=132)
更新时间:2019-09-14 12:24:58
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【知识点】 利用相似三角形的性质求解解读
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【推荐1】已知△ABC与△A1B1C1的相似比为2:3,△A1B1C1与△A2B2C2的相似比为3:5,那么△ABC与△ A2B2C2的相似比为________ .
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【推荐2】如图,两个三角形相似,AD=2,AE=3,EC=1,则BD=_____ .
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