如图所示,已知
的三个顶点的坐标分别为A(-2,3),B(-6,0),C(-1,0).
(1)请直接写出点A关于点O对称的点的坐标__________________________;
(2)将
绕坐标原点O逆时针旋转90°,得到
,画出图形,并直接写出点
、
、
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(1)请直接写出点A关于点O对称的点的坐标__________________________;
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://img.xkw.com/dksih/QBM/2021/9/10/2805304953389056/2805882067517440/STEM/c1bae53e07524362a6c98aa0e3f170ca.png?resizew=184)
更新时间:2021-09-11 16:44:35
|
相似题推荐
解答题-作图题
|
较易
(0.85)
名校
【推荐1】如图,方格中每个小正方形的边长都是单位1,△ABC在平面直角坐标系中的位置如图.
![](https://img.xkw.com/dksih/QBM/2019/10/29/2322411577769984/2326908026331136/STEM/fa87ca6368a7472598e1574307d3ecc3.png?resizew=223)
(1)画出将△ABC绕点O逆时针方向旋转90°得到△A1B1C1,并写出点A1,B1,C1的坐标;
(2)画出△ABC的外接圆,并写出其圆心的坐标.
![](https://img.xkw.com/dksih/QBM/2019/10/29/2322411577769984/2326908026331136/STEM/fa87ca6368a7472598e1574307d3ecc3.png?resizew=223)
(1)画出将△ABC绕点O逆时针方向旋转90°得到△A1B1C1,并写出点A1,B1,C1的坐标;
(2)画出△ABC的外接圆,并写出其圆心的坐标.
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
名校
【推荐2】在平面直角坐标系中,
的三个顶点坐标分别是
.
绕原点逆时针旋转
,得到
向右平移6个单位,再向上平移2个单位得到
.
![](https://img.xkw.com/dksih/QBM/2020/5/7/2457659534721024/2458409031434240/STEM/a02ec31a599c4252b21b8bb7a7da0b93.png?resizew=237)
(1)画出
和
.
(2)
是
的
边上一点,
经旋转平移后得到
的对应点为
,请直接写出
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7207703a8ec76dc18322a5388463722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f0433b0526c37fcc31776f2ac10605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d254b1228f7492b223dc6b1259a284c.png)
![](https://img.xkw.com/dksih/QBM/2020/5/7/2457659534721024/2458409031434240/STEM/a02ec31a599c4252b21b8bb7a7da0b93.png?resizew=237)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c3135fa20c32d04a270750f77c1f2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/403590d719951bd6133479f4e52041bc.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/403590d719951bd6133479f4e52041bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
【推荐1】如图,在平面直角坐标中,
,
的顶点均在格点上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/10/ede4b8f2-13a2-4a95-9c9d-fdd58a28a3c8.png?resizew=209)
(1)点C绕O点逆时针方向旋转90°后所对应
的坐标______;
(2)若
和
关于原点O成中心对称图形,画出
.
(3)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c59f0e35b7ae5206e45878934482b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/10/ede4b8f2-13a2-4a95-9c9d-fdd58a28a3c8.png?resizew=209)
(1)点C绕O点逆时针方向旋转90°后所对应
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
【推荐2】如图,平面直角坐标系中有△ABO,其中A、B坐标分别为A(﹣2,3),B(﹣4,1).
(1)请直接写出点A关于点O对称的点的坐标 ;
(2)将ABO绕原点O逆时针旋转90°,画出图形,并直接写出点A1、B1的坐标.
(1)请直接写出点A关于点O对称的点的坐标 ;
(2)将ABO绕原点O逆时针旋转90°,画出图形,并直接写出点A1、B1的坐标.
![](https://img.xkw.com/dksih/QBM/2021/8/14/2785747536650240/2802259773718528/STEM/4b209f32a1be4dcf821f29a9bed13d6f.png?resizew=303)
您最近一年使用:0次