如图,
,
是某个轴对称图形上的两点,且互为对称点,已知此图形上有另点
.
![](https://img.xkw.com/dksih/QBM/2022/1/13/2893479063306240/2973139240239104/STEM/f5b55cda-002c-4980-9c35-dbdcab6cad52.png?resizew=177)
(1)求点C关于该图形对称轴对称的点的坐标;
(2)求
的面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a926b40fd9bafb7bb311d9d407d11cbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa2dad9c6c0773c04cbf433d7b7dcc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f2b2e17012dad782bd12795cd27488.png)
![](https://img.xkw.com/dksih/QBM/2022/1/13/2893479063306240/2973139240239104/STEM/f5b55cda-002c-4980-9c35-dbdcab6cad52.png?resizew=177)
(1)求点C关于该图形对称轴对称的点的坐标;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
更新时间:2022-05-06 00:10:10
|
相似题推荐
解答题-作图题
|
较易
(0.85)
【推荐1】已知:如图,在平面直角坐标系中.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/3d4ba20b-8bc5-40a4-adb1-d95daa5e90f9.png?resizew=311)
(1)作出△ABC关于y轴对称的
,并写出
三个顶点的坐标:
(______),
(______),
(______);
(2)作出△ABC关于x轴对称的
,并写出
三个顶点的坐标:
(______),
(______),
(______);
(3)求出△ABC的面积.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/3d4ba20b-8bc5-40a4-adb1-d95daa5e90f9.png?resizew=311)
(1)作出△ABC关于y轴对称的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.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)
(2)作出△ABC关于x轴对称的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(3)求出△ABC的面积.
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解答题-作图题
|
较易
(0.85)
【推荐2】如图,在平面直角坐标系中,
的三个顶点坐标分别为
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/8f95ca54-5b9c-4965-a066-47001b2204b2.png?resizew=253)
(1)画出
关于y轴对称的图形
;
(2)以原点O为位似中心,位似比为
,在y轴的左侧,画出
放大后的图形
,并直接写出
点坐标;
(3)请求出
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4212e0f2da912518e8b02a741cc91ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4af0146cc33172061d379549fe9e291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3b76fed893ad17bc60ee4cbe4ab524.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/8f95ca54-5b9c-4965-a066-47001b2204b2.png?resizew=253)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)以原点O为位似中心,位似比为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d65e051e943ab28fa57aee2fb57994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(3)请求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.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,在平面直角坐标系中,
.
(1)在图中作出
关于x轴的对称图形
,点A、B、C的对应点分别为
;
(2)在(1)的条件下,直接写出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7633466b8d2acd7faed0984c0410fa94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/22/70e19cbf-4e57-45dc-a9e2-eaeef288a37a.png?resizew=243)
(1)在图中作出
![](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/a2a5a1f585c19f582edbb8cf73c58c6b.png)
(2)在(1)的条件下,直接写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3637509fd0c15e93a697a1ecd4d41a06.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,
的三个顶点坐标分别为:
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/25/eaa05d11-862f-40ad-b25e-9a08cd432457.png?resizew=395)
(1)画出
关于y轴对称的
,并写出
,
,
的坐标.
(2)若将
各顶点的横、纵坐标分别乘
,请你在图中把变换后的三个点描绘出来,并顺次连接得到新三角形
,猜想
与
有何位置关系?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6ce39c72b38fa1a2b3275188b27689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a30ca15af0d5cbd9c45b2453a733810b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05029046ee04857d5edf4aade4b1fb04.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/25/eaa05d11-862f-40ad-b25e-9a08cd432457.png?resizew=395)
(1)画出
![](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)
(2)若将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
您最近一年使用:0次