如图,在
中,点
,
分别在
,
边上,
,若
,
,
,则
等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/093f4d78-2621-4cfe-b807-98df1e1fd385.png?resizew=243)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b668319803b03b153e48cabfaa5cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf3746205daae4787d8e31d74ba79e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e2a96ad10f818c9a5ad7ef46a304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c7d047b444f22d4477ddcadbe7f3ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/093f4d78-2621-4cfe-b807-98df1e1fd385.png?resizew=243)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-02-28 18:21:15
|
【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,在△ABC中,DE∥BC分别交AB,AC于点D,E,若
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![](https://img.xkw.com/dksih/QBM/2019/3/4/2153102507294720/2153959925448704/STEM/de44409279fe416895ea9d21f5a2fb7a.png?resizew=127)
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【推荐2】如图,△ABC中,D为边AB上一点,E是CD的中点,且∠ACD=∠ABE.已知AC=2,设AB=x,AD=y,则y与x满足的关系式为( )
![](https://img.xkw.com/dksih/QBM/2020/2/24/2405723904843776/2406053221621760/STEM/00caef4a18b14405be016fb5f65b32c5.png?resizew=172)
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A.xy=4 | B.2xy﹣y2=4 | C.xy﹣y2=4 | D.x2+xy﹣2y2=4 |
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