如图,在平面直角坐标系中,三角形
的顶点都在网格格点上,其中点
的坐标为
.
,
的坐标;
(2)将三角形
先向左平移1个单位长度,再向上平移3个单位长度,得到三角形
,请画出三角形
;
(3)求三角形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c16711ffd0a06bb5821d67fe1f6286a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)将三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1264a2e3609e1c274acb89b5ea5019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1264a2e3609e1c274acb89b5ea5019.png)
(3)求三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
22-23九年级下·黑龙江·期中 查看更多[4]
黑龙江省龙东地区部分学校2023-2024学年七年级下学期期中数学试题(已下线)黑龙江省佳木斯市桦南县2023-2024学年七年级下学期期中数学试题黑龙江省佳木斯市抚远市2023-2024学年七年级下学期期中数学试题黑龙江省伊春市伊美区等2地2023-2024学年七年级下学期期中数学试题
更新时间:2024-05-13 11:17:38
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【推荐1】如图,已知长方形ABCD的长为6,宽为4,请建立适当的平面直角坐标系,分别表示其各个顶点的坐标.
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名校
【推荐2】如图所示,在平面直角坐标系中,已知
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(1)在平面直角坐标系中画出
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(2)若点D与点C关于x轴对称,则点D的坐标为 ;
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【推荐1】在平面直角坐标系中,已知
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解答题-作图题
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【推荐2】在平面直角坐标系中,
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【推荐2】如图平面直角坐标系中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a6cc098d6bf4ae9fc890ee2704c7fc1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/6e54d9c2-431b-4c73-b2dd-c8a8a09665b4.png?resizew=231)
(1)把三角形ABC向下平移3个单位长度,再向右平移2个单位,得到三角形
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/6e54d9c2-431b-4c73-b2dd-c8a8a09665b4.png?resizew=231)
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(2)求三角形ABC的面积;
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