如图,在△
中,
,将△
绕点C旋转得到△
,且点
恰好落在AB边上,则
的长为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f25213a8fe574f1e6d350136c327bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3103a9141008afb6dff5564ee58f8be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5d54dfb9237412a7c1c00658830de6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f022b18f3b30bccee515df5e47ff00.png)
![](https://img.xkw.com/dksih/QBM/2020/1/14/2376793250816000/2377095293526016/STEM/d5e0566ced2f4f81b3b100878292e43b.png?resizew=182)
更新时间:2020-01-14 21:15:39
|
相似题推荐
填空题
|
较易
(0.85)
解题方法
【推荐1】在平面直角坐标系中,
的位置如图所示,将
绕点
顺时针旋转90°得
;再将
绕点
顺时针旋转90°得
;再将
绕点
顺时针旋转90°得
;……依此类推,第2021次旋转得到
,则顶点
的对应点
的坐标是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb99c20237aca8ff2ba640c28fbc5b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb99c20237aca8ff2ba640c28fbc5b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef3e5e30a5d97b80edfa260b43c3e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef3e5e30a5d97b80edfa260b43c3e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d24434eb8bf365cb3145a89771ff95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb1c7dc507181cfc150887ffc85cd92c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f3c98abd70232a5690e64c527ec2975.png)
![](https://img.xkw.com/dksih/QBM/2021/6/16/2744239147089920/2796119059980288/STEM/5b0a4fe7-bd38-405e-baec-156f1f3180d9.png)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐2】如图,把△ABC绕点C顺时针旋转35°得到△A′B′C,A′B′交AC于点D,若A′D=CD,则∠A=__ 度.
![](https://img.xkw.com/dksih/QBM/2021/8/12/2784390566969344/2785424151887872/STEM/59826ad99a564355998dee9844347d31.png?resizew=90)
您最近一年使用:0次