如图,已知
、
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/34e0948c-28d5-4f2e-9636-d2347bb80cdc.png?resizew=276)
(1)请在表格中画出直角坐标系,点
的坐标为______;
(2)连接
、
、
,
的面积为______;
(3)在
轴上找到一点
,使得
的值最小,
的最小值为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ec01a198c4eaf11f73a04c81e50eae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41ecdda0a993e7ff0da722199528ece.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/34e0948c-28d5-4f2e-9636-d2347bb80cdc.png?resizew=276)
(1)请在表格中画出直角坐标系,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b17f20c25bb16153b5f2d25062ed7a7.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed6e505ba5366164b2dda43a95c45bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed6e505ba5366164b2dda43a95c45bb.png)
更新时间:2024-02-27 12:02:51
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【推荐1】在如图所示的正方形网格中,每个小正方形的边长为1,格点三角形
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.(格点三角形是指顶点是网格线交点的三角形)
(1)请在如图所示的网格平面内作出平面直角坐标系;
(2)请作出
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(3)写出点
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(1)请在如图所示的网格平面内作出平面直角坐标系;
(2)请作出
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真题
【推荐2】如图,在平面直角坐标系中,形如英文字母“V”的图形三个端点的坐标分别是A(2,3),B(1,0),C(0,3).
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【推荐3】如图,在正方形网格中,每个小正方形的边长都为1,点A,点B在网格中的位置如图所示.
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(3)在图中画出△ABC关于y轴对称的图形△A1B1C1,并写出各点坐标:A1( ),B1( ),C1( );
(4)在x轴上找到一点P,使△ABP的周长最小,直接写出这个周长的最小值: .
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(3)在图中画出△ABC关于y轴对称的图形△A1B1C1,并写出各点坐标:A1( ),B1( ),C1( );
(4)在x轴上找到一点P,使△ABP的周长最小,直接写出这个周长的最小值: .
![](https://img.xkw.com/dksih/QBM/2021/11/29/2861480856379392/2861853692952576/STEM/91269355-1d78-45d6-a68a-2ca4f7c19774.png)
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解答题-作图题
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【推荐1】在平面直角坐标系中,
的位置如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/f3159f25-1e0b-43a5-9bfb-e475c061b644.png?resizew=178)
(1)分别写出
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(2)请在图中画出
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;
(3)求
的面积.
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/f3159f25-1e0b-43a5-9bfb-e475c061b644.png?resizew=178)
(1)分别写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)请在图中画出
![](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/6cad2b309ecc59efcc880449c218c69c.png)
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的顶点
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,
,点
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![](https://img.xkw.com/dksih/QBM/2023/1/3/3144699527036928/3146199764549632/STEM/a89c92db4d6644aa862c3fc4efd41f6a.png?resizew=151)
(1)请在图中画出
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(2)图中点
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(3)将
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三点的横坐标分别乘
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(3)将
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