在正方形网格中,每个小正方形的边长均为1个单位长度,
的三个顶点的位置如图所示,现将
平移,使点A变换为点
,点
分别是B、C的对应点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/5/957c046b-1ae7-47f1-a53e-e025fafe49d8.png?resizew=191)
(1)请画出平移后的
;
(2)若连接
,则这两条线段之间的关系是 ;
(3)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42782ee007b97ceccafc82c205c6f4bd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/5/957c046b-1ae7-47f1-a53e-e025fafe49d8.png?resizew=191)
(1)请画出平移后的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(2)若连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0058e7c8874ce452a07b3f71d0f0fd5.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
21-22七年级下·江苏泰州·阶段练习 查看更多[3]
江苏省泰州市姜堰区张甸第二中学2021-2022学年七年级下学期第一次月考数学试题(已下线)核心考点01平面图形的认识(二)-【满分全攻略】2022-2023学年七年级数学下学期核心考点+重难点讲练与测试(苏科版)黑龙江省哈尔滨市南岗区第四十九中学2023-2024学年七年级上学期期中数学(五四制)试题
更新时间:2023-03-03 17:24:15
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解答题-作图题
|
较易
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【推荐1】如图,在直角坐标系内,点A(0,5),B(-4,0),C(1,0).请在图中画出把△ABC向右平移两个单位,得到的△DEF,并直接写出点D,E,F的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/16/dad8d2a3-cb5a-482b-a097-f3fec7b7a874.png?resizew=194)
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解答题-作图题
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【推荐2】如图,在
的正方形网格中,每个小正方形的边长都是1,四边形
的四个顶点A、B、C、D都在格点(网格中每两条线的交点)上.
![](https://img.xkw.com/dksih/QBM/2021/8/11/2784007332028416/2800118057443328/STEM/59807c54-af64-42e6-8150-b70512b6414c.png?resizew=310)
(1)求四边形
的面积
(2)把四边形
先向右平移3个单位长度,再向下平移2个单位长度,画出第二次平移后的四边形;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95814ac824943302b8701ee0856f21eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/2021/8/11/2784007332028416/2800118057443328/STEM/59807c54-af64-42e6-8150-b70512b6414c.png?resizew=310)
(1)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)把四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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解答题-作图题
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较易
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【推荐1】如图,在方格纸中(小正方形的边长为1),
的三个顶点均在格点上,将
向左平移,使点
平移到点
,点
的对应点为
,点
的对应点为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/24/e2bc4815-2306-4c92-b86a-90372213e740.png?resizew=305)
(1)画出平移后的
;
(2)连接
,直接写出与
相等的线段;
(3)若
的周长为
,用含
的代数式表示四边形
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/24/e2bc4815-2306-4c92-b86a-90372213e740.png?resizew=305)
(1)画出平移后的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24414f4f8d6af6e0aa1425b634473d2d.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e86e3991200297ad172455e5ea93f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99f5997592e4857adab98fbf472d0178.png)
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解答题-作图题
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【推荐2】如图,每个小正方形的边长为1个单位,每个小方格的顶点叫格点.
向右平移4个单位向下平移1个单位后得到的
;
(2)连接
,
,则这两条线的关系是 ;
(3)写出
的的面积
______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
(3)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
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解答题-问答题
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【推荐1】
与
在平面直角坐标系中的位置如图所示.
(2)
是由
经过先向________平移________个单位,再向________平移________个单位平移得到的;
(3)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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【推荐2】在边长1个单位长度的小正方形组成的网格中建立如图所示的平面直角坐标系,四边形
是格点四边形(顶点为网格线的交点),其中点B,D的坐标分别为
,
.
(2)求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/430b9c003e6f16136fd9ef43654b2b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e194aba3710705f9c8c68cbc3e7af6.png)
(2)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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