如图,O为矩形ABCD对角线AC,BD的交点,AB=8,M,N是直线BC上的动点,且MN=2,则OM+ON的最小值是____________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/4/5367ca74-540d-4306-a30b-d29eb6c9c4a9.png?resizew=175)
更新时间:2022-06-26 13:26:41
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【推荐1】如图,在
中,
,
,
,点
是
的中点,点
是边
上一动点,沿
所在直线把
翻折到
的位置,
交
于点
,连接
.
的最小值是________ ;
(2)若
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的长为________ .
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(2)若
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【推荐2】如图,在正方形
中,
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上两点
点
靠近点
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780e1e092215e7022905b5a6f2116898.png)
,当
的最小值为
时,
的长为______ .
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【推荐1】如图,边长为4的正方形
中,顶点A落在矩形
的边
上,
,而矩形的顶点G恰好落在
边上.点O是
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长为半径作圆,当
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的长为 _____ .
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【推荐2】已知在Rt△ABC中,∠C=90°,以斜边AB为边向外作正方形ABDE,且正方形对角线交于点O,连接OC,已知AC=4
,OC=7,则另一条直角边BC的长为_____ .
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【推荐1】如图,在菱形
中,对角线
与
相交于点
,边
的长为8,点
分别是边
上的动点,则
周长的最小值为__________ .
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【推荐2】如图,正方形
的边长为
,点
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,则四边形
的周长的最小值是__________ .
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