如图,梯形
中,
,
,
,
,
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c978d92edf0c4c1ef8620c17df75d35e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f89deb952f57f4b3fa4887b098b7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587458141d890533c0c32aa249a27ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fc998d33cdf37c272f79cfd64b7b99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c978d92edf0c4c1ef8620c17df75d35e.png)
![](https://img.xkw.com/dksih/QBM/2021/1/7/2631199898869760/2634567193264128/STEM/4764f195-e6f6-4e8b-aeed-e8594184d035.png?resizew=296)
更新时间:2021-01-12 15:43:35
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【知识点】 相似三角形的判定与性质综合
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【推荐1】如图,
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【推荐2】如图,在△ABC中,AC=4,BC=6,CD平分∠ACB交AB于D,DE∥BC交AC于E,则DE的长为_____ .
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