如图,在
中,
,
平分
,
于E,若
,则
的长为 __ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b28f28ced0531d1df34fcf04c6c67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d2f5c1f2d0cc265aec0798201379fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
更新时间:2024-04-13 19:32:10
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【推荐1】如图,已知
,
是
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上,两直角边分别与
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交于点C,D,
垂足为点N,
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【推荐2】如图,在四边形
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作
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_____ .
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【推荐1】如图,AB为订书机的托板,压柄BC绕着点B旋转,连接DE的一端点D固定,点E从A向B处滑动,在滑动的过程中,DE的长度保持不变,在图1中,
,
,
,现将压柄BC从图1旋转到与底座AB垂直,如图2所示,则此过程中点E滑动的距离为___________ cm.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f71a52438196c3aca604fa927be8e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ed015966732a9086536607fb06bd62.png)
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【推荐2】如图1,点P从△ABC的顶点B出发,沿B→C→A匀速运动到点A,图2是点P运动时,线段BP的长度y随时间x变化的关系图象,其中M为曲线部分的最低点,则△ABC的面积是___ .
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