如图,矩形
中,
,点E、F分别是边
和对角线
上的动点,且
,则
的最小值是____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c174743f61c6a0952fc836a2dd5bcf5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92034dd2bb9480b18709d01153467f8f.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/29/cda1756d-3149-425d-a48c-32fff04c6dc7.png?resizew=182)
更新时间:2023-12-30 19:32:42
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【推荐1】如图,△ABC中,AC=BC=2,以AB为腰在直线AB的另一侧作等腰Rt△ABD, 且∠BAD=90° ,连接 CD.(1)若∠ACB=90°则CD=_____ : (2)线段CD长的最大值是_____
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【推荐2】如图,点C为线段AE上一动点(不与点A、E重合),在AE同侧分别作等边△ABC和等边△CDE,AD与BE交于点O,AD与BC交于点P,BE与CD交于点Q,连接PQ,以下十个结论:①AD=BE;②PQ
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【推荐1】如图是一个小圆同学设计的一个鱼缸截面图,弓形
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【推荐2】直线l经过点A (4,0),B(0,2),若⊙M的半径为1,圆心M在y在轴上,当⊙M与直线l相切时,则点M的坐标____ .
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