如图,Rt△ABC的顶点C的坐标为(1,0),点A在
轴正半轴上,且AC=2.将△ABC先绕点C顺时针旋转90°,再向左平移3个单位,得到点A的对应点的坐标是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/17/20665923-cf9e-4b2e-924b-a34d5ecb55b0.png?resizew=166)
A.(﹣2,﹣2) | B.(﹣1,﹣2) |
C.(﹣2,﹣3) | D.(﹣1,3) |
更新时间:2021-07-25 14:47:16
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【推荐1】在平面直角坐标系中,将点P(2,-1)向左平移4各单位长度得到点的坐标为( )
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【推荐2】在平面直角坐标系内,将点A(1,2)先向右平移2个单位长度,再向下平移1个单位长度,则平移后所得点的坐标是( )
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【推荐1】如图,在平面直角坐标系
中,点
的坐标为
,点A的坐标为(1,0),将线段
绕点
顺时针旋转
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的坐标为( )
![](https://img.xkw.com/dksih/QBM/2021/5/20/2725157504589824/2733645974470656/STEM/135ea61d-725f-4d03-ae71-72a6862ae824.png?resizew=233)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
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A.![]() | B.![]() |
C.![]() | D.![]() |
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【推荐2】在平面直角坐标系中,点A的坐标为(2,3),将点
绕原点逆时针旋转90°得到点
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
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A.(-3,2) | B.(3,-2) | C.(3,2) | D.(-2,-3) |
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