如图,长方形
中,
,E为
上一点,且
,F为
边上的一个动点,连接
,将
绕着点E顺时针旋转
到
的位置,连接
,则
的最小值为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73ba94cec6c03980be9ca03774379fa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc90c2d45477e166b02359525f40aa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/4/edc314a3-b534-4e78-b698-fe5d043aab9f.png?resizew=147)
23-24九年级上·天津河东·期中 查看更多[2]
更新时间:2023-11-30 11:13:13
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【推荐1】如图,点P是正方形
的对角线
上一点,
,
,垂足分别为点E,F,连接
,
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______ .
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【推荐2】如图,
,
,点
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的中点,过点
作一条直线分别与
、
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在直线
上,且
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【推荐1】如图,在每个小正方形的边长为
的网格中,点
均在格点上,点
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的中点,且
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2740d2f1f18082f6299bd23e0be289c.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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【推荐2】如图,直角
中,D是斜边
上的中点,连接
,过点D作
的平行线
交
于点E,且
,
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的周长为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
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【推荐2】如图,
中,
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上一动点,
于点E,
于F.
(1)四边形
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(2)
的最小值为______ .
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(1)四边形
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(2)
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【推荐1】在平面直角坐标系中,将抛物线
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【推荐2】如图,在
中,
,将
绕点B逆时针旋转
度
得到
,D是
的中点.当点A,
,D在同一条直线上时,
的值为___________ .
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