已知点
,
,若点M,N关于y轴对称,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0d5aacf86616e34f40cddd68c3a207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86a8a38385f8eb4797b54fd575965e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea6a27e61e0dc232af63e89a059b514.png)
更新时间:2024-01-19 09:30:56
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解答题-作图题
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较易
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【推荐1】△ABC在平面直角坐标系中的位置如图所示.画出△ABC关于y轴对称的三角形
并写出
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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,
的三个顶点的坐标分别是
,
,
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(1)请画出与
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(2)在(1)的条件下,画出与
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;
(3)在(2)的条件下,若点
在
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的坐标是 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fadc9a19de13ca7688ca93f0c70a8a1.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/27/64499098-d768-43ef-a1b4-5358fbf7c40e.png?resizew=207)
(1)请画出与
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
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(2)在(1)的条件下,画出与
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(3)在(2)的条件下,若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909dcd1753dc8eacccfd76a531871087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
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