矩形ABCD中,AB=6,BC=8,点E是BC边上一点,连接DE,把△DCE沿DE折叠,使点C落在点C′处,当△BEC′为直角三角形时,BE的长为_____ .
![](https://img.xkw.com/dksih/QBM/2020/3/15/2419864597749760/2420117989318656/STEM/8e267d2640e84ee68293a32bb33df5e3.png?resizew=116)
更新时间:2020-03-15 16:05:33
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【推荐1】如图,点E是矩形ABCD中CD边上一点,将△BCE沿BE折叠为△BFE,点F落在边AD上,若AB=8,BC=10,则CE=____ .
![](https://img.xkw.com/dksih/QBM/2019/4/1/2173141419933696/2176740339826688/STEM/3a155acd06ff4560b0a47999b9623dcb.png?resizew=142)
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【推荐2】如图,已知矩形
的两条边
,点E是对角线
、
的交点,点P是边
上一个动点,作点D关于直线
的对称点
,当
与矩形一条边垂直时,
的长是__________ .
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