如图,在
中,已知
,
,垂足为D,
,若E是
的中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e7a5de06d5577a27967d000e360e851.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d78524f98b01fa1dadfd277939665b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e7a5de06d5577a27967d000e360e851.png)
更新时间:2024-04-21 14:52:32
|
【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,
、
相交于点O,分别连接
、
,如果
,
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1bc69e886c7afedf1c9233e9a2a6870.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1bc69e886c7afedf1c9233e9a2a6870.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/de14604e-b6cb-4c4e-8b09-5b80314390e1.png?resizew=128)
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【推荐2】如图,在矩形AOBC中,点A的坐标是(-2,1),点C的纵坐标是4,则C点的坐标为________
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/17/4dafdc2f-8004-4323-9bda-f68df62bc3b2.png?resizew=213)
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