如图,点A的坐标为
,点B的坐标为
,将线段
绕点A按逆时针方向旋转得到线段
,若点C的坐标为
,则m的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb937e743d4e859ce608bfba979fce35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ea781875e43a5d70942f6e258054572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c7fc831491b88d372da3d8400985efa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2024·山东济宁·一模 查看更多[5]
2024年山东省泗水县九年级第一次练兵考试数学模拟试题(已下线)热点09 图形变化(平移、旋转、对称)(9大题型+满分技巧+限时分层检测)-2024年中考数学【热点·重点·难点】专练(广东专用)河南省洛阳市偃师区实验中学2023-2024学年八年级下学期期中数学试题广东省茂名市信宜市信宜市第二中学2023-2024学年八年级下学期月考数学试题(已下线)第3章 图形的平移与旋转 全章热门考点专练(4个概念3个性质1个作图3个技巧2种思想)原卷版
更新时间:2024-04-17 11:06:01
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【推荐1】点P(2,-3)关于x轴对称点的坐标是 ( )
A.(—2,-3) | B.(2,3) | C.(-2,3) | D.(-3,2) |
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【推荐2】如图,等腰直角三角形ABC的直角顶点C与平面直角坐标系的坐标原点O重合,AC,BC分别在坐标轴上,AC=BC=1,△ABC在x轴正半轴上沿顺时针方向作无滑动的滚动,在滚动过程中,当点C第一次落在x轴正半轴上时,点A的对应点A1的横坐标是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/19/0cf3cfc0-bcf1-4510-ad77-703f0070f4b9.png?resizew=216)
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A.2 | B.3 |
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【推荐2】张华为了测量重庆最高塔楼
的高度,他从塔楼底部
出发,沿广场前进185米至点
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的高度约为( )(结果精确到1米,参考数据:
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)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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A.319米 | B.335米 | C.342米 | D.356米 |
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【推荐1】如图,在
中,
,点F在
边上,
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绕点A顺时针旋转得到
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边刚好经过点F,则旋转角
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/c2f6e228-4275-443f-a95a-124afbb9b728.png?resizew=142)
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【推荐2】如图,将
绕点
顺时针旋转得到
,使点
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