如图,
中,
,将
沿
轴依次以三角形三个顶点为旋转中心顺时针旋转,分别得图②,图③,则旋转到图⑩时直角顶点的坐标是( )
![](https://img.xkw.com/dksih/QBM/2020/6/15/2485454280998912/2492402248540160/STEM/357fe33e79044b0a945ae5705ba8dfd7.png?resizew=332)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf33aa3d1fbed7a3ba2983f1ed27451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16da454167a65d664a2a921099850a66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd2981bf2261343f905ec1b5355a3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2020/6/15/2485454280998912/2492402248540160/STEM/357fe33e79044b0a945ae5705ba8dfd7.png?resizew=332)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2020-06-25 19:08:16
|
【知识点】 坐标与旋转规律问题
相似题推荐
单选题
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适中
(0.65)
【推荐1】如图,矩形
的边
在x轴上,
在
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,把矩形
绕点
逆时针旋转,使点
恰好落在
边上的
处,则点
的对应点
的坐标为( )
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A.![]() | B.![]() | C.![]() | D.![]() |
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单选题
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适中
(0.65)
【推荐2】如图坐标平面上有一正五边形
,
、
两点坐标分别为
.若在没有滑动的情况下,将此正五边形沿着
轴向右滚动,则滚动过程中,下列会经过点
的点是( )
![](https://img.xkw.com/dksih/QBM/2020/4/30/2452661801426944/2452689475289088/STEM/bb3a444d8c074eb7ba8a3d03c02499b7.png?resizew=554)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142a8490de14a87eda628ffa7e28982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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A.点![]() | B.点![]() | C.点![]() | D.点![]() |
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