如图,一块含
角的直角三角板ABC,
,将其绕点
顺时针旋转得到
,当B,A,
在一条直线上时,顶点
所走的路径长为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/996bf3d35b6763cbc1a423b13a9df2dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca86d70680cb33c35d61e4960031fceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/20/4aa15c5a-b03e-4cb1-8d43-e42fd90bd27f.png?resizew=293)
更新时间:2023-04-18 18:25:46
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【推荐1】如图,一个边长为
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【推荐2】在矩形ABCD中,AB=5,AD=12,将矩形ABCD沿直线l向右翻滚两次至如图所示位置,则点B所经过的路线长是_____________ (结果不取近似值).
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【推荐1】如图,在
中,,
,
,
,将
绕点
顺时针旋转
,得到
,连接
交
于点
,则
与
的周长之和为_____
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【推荐2】如图,平面直角坐标系中,已知,
,将线段
绕点A顺时针旋转
得到线段
,点
恰好在反比例函数
的图象上,则k值为
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