如图,在矩形
中,
,
,点E为线段
的中点,动点F从点C出发,沿
的方向在CB和BA上运动,将矩形沿EF折叠,点C的对应点为
,当点C'恰好落在矩形的对角线上时(不与矩形顶点重合),点F运动的距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c30e51d3170d01d7c227b71902e25626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/4/26e1866b-46fc-4197-9d5d-d0769ebd9791.png?resizew=165)
更新时间:2023-04-28 10:16:03
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【推荐1】如图,在矩形ABCD中,点E是CD的中点,将△BCE沿BE折叠后得到△BEF、且点F在矩形ABCD的内部,将BF延长交AD于点G.若
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【推荐2】已知四边形
是矩形,
,E为
边上一动点且不与B、C重合,连接
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沿
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【推荐1】如图,在
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边上的中线,以
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于点
,过
作
于点
,交
的延长线于点
,过点
作
于
,
,
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______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98839edf96d79de3659e6e489b518d20.png)
_______ .
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【推荐2】如图,
是
的直径,点
,点
是半圆上两点,连结
相交于点
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于点
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为
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【推荐1】如图,在矩形ABCD中,AB=4,BC=
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【推荐2】小郑在一次拼图游戏中,发现了一个很神奇的现象:
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【推荐2】如图是小明画的卡通图形,每个正六边形的边长都相等,相邻两正六边形的边重合,点A,B,C均为正六边形的顶点,AB与地面BC所成的锐角为β,则tanβ的值是______ .
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