如图,在
中,
,将
绕点A逆时针旋转,使点C落在线段
上的点E处,点B落在点D处,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5139b1e99f61f302f58ec3c616b4f0ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0213c5787a5a6b38d11bceca5567f67.png)
A.1 | B.2 | C.3 | D.4 |
更新时间:2024-05-09 00:26:47
|
相似题推荐
单选题
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较易
(0.85)
【推荐1】如图,点
,点
是
轴正半轴上的一点,将线段
绕点
按逆时针方向旋转
得到线段
,若点
的坐标为
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/17/dfc36e9e-01af-479e-a274-e96afb7bdc29.png?resizew=148)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32366143230ca122894a4bada7c7b96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1cc12877eb3be078ac11b093f7dfeca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐2】如图,在等腰直角三角形
中,
,
,点D是AB边上一点,若
,则线段DB的长度为( )
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712425899368448/2715238684073984/STEM/361de4db-5412-48a3-90bf-18778084ea5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eddafcf1ebec137893b851411d2dd5b8.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712425899368448/2715238684073984/STEM/361de4db-5412-48a3-90bf-18778084ea5e.png)
A.4 | B.3 | C.![]() | D.![]() |
您最近一年使用:0次
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名校
【推荐1】如图,
中,
,将
绕点C顺时针旋转
得对应
,连接
,则
的大小为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb25819587ec72d4b6370e70cd94103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2689f0ce5ab3467d8214794d8acb2bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3de20ba8bda63c650ef571be155702.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐2】如图,已知在
中,点A(1,2),∠OBA=90°,OB在x轴上.将△AOB绕点A逆时针旋转90°,点O的对应点C恰好落在双曲线
上,则
的值为( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/21/c390bc7a-46ef-4e0e-83fd-bdaca73034da.png?resizew=168)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd1ddf07327157f25b46c52cd60cdc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b0b612460326448de36e160c8d29af9.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/21/c390bc7a-46ef-4e0e-83fd-bdaca73034da.png?resizew=168)
A.1 | B.2 | C.3 | D.4 |
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