如图在边长为1个单位长度的小正方形组成的网格中给出了格点△ABC和格点线段DE(顶点或端点为网格线的交点),以及过格点的直线l.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/12/c57ac8d2-8622-4c84-a753-c8c1baaa2c2d.png?resizew=218)
(1)画出△ABC关于直线成轴对称的△A1B1C1;
(2)将线段DE进行平移后,使点D的对应点D1与点B1重合,画出平移后的线段D1E1;
(3)填空:∠C1B1E1的度数是_____.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/12/c57ac8d2-8622-4c84-a753-c8c1baaa2c2d.png?resizew=218)
(1)画出△ABC关于直线成轴对称的△A1B1C1;
(2)将线段DE进行平移后,使点D的对应点D1与点B1重合,画出平移后的线段D1E1;
(3)填空:∠C1B1E1的度数是_____.
2022八年级上·全国·专题练习 查看更多[2]
更新时间:2022-09-10 18:56:30
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解答题-证明题
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适中
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【推荐2】如图,在
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解答题-问答题
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解答题-作图题
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【推荐2】三角形
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解答题-作图题
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名校
【推荐1】如图,方格纸中每个小方格都是边长为1的正方形,我们把以格点的连线为边的多边形称为“格点多边形”,如图中四边形
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(1)求图中四边形
的面积;
(2)在图中的方格纸中画一个格点四边形,使该四边形与原四边形
关于直线l成轴对称;
(3)P为直线l上一点,连接
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(4)Q为直线l上一点,连接
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解答题-作图题
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适中
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【推荐2】在
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,并写出线段
的长度______.
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上确定一点
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的最小值______;
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是以
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(2)在(1)的条件下,在直线
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(3)若点
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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