如图,平面直角坐标系
中,三角形
的三个顶点坐标分别是
,现将三角形
平移,使点B与坐标原点O重合,点A与点
重合,得到三角形
.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99611740ec266f77e6cf19aa1f942b6.png)
(2)写出点
的坐标;
(3)求三角形
的面积:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/648c16881335dd4780d049ad8d072f81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99611740ec266f77e6cf19aa1f942b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99611740ec266f77e6cf19aa1f942b6.png)
(2)写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe8dd80e0032d588614ead57d4e3052.png)
(3)求三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99611740ec266f77e6cf19aa1f942b6.png)
更新时间:2024-05-06 06:39:04
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在直角坐标平面内,已知点
的坐标
,点
是第二象限内一点,且到
轴的距离是
,到
轴的距离是
.
,并写出点
的坐标是______;
(2)点
关于
轴对称的点
的坐标是______;点
关于原点对称的点
的坐标是______;
(3)四边形
的面积是______;
(4)在
轴上找一点
,使
,那么点
的所有可能位置的坐标是______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbd1f482fba642941ea5a32682d162a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(3)四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
(4)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/250e4f10dceb72ba521d0af31ff0e342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】如图,已知
的两个顶点的坐标分别为
和
,
三点在格点上.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/078707bf-a1db-4971-b933-fc71b3c999d5.png?resizew=230)
(1)请补全原有的直角坐标系;
(2)画出
关于
轴对称的
,其中点
的对应点分别为
,
,
,写出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd0d11462cefa0d97b28dc2354e8b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/899a8c3dbdfb6126bc724366ba696698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff76846660a607dae65b956967b4c2f4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/078707bf-a1db-4971-b933-fc71b3c999d5.png?resizew=230)
(1)请补全原有的直角坐标系;
(2)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff76846660a607dae65b956967b4c2f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
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解答题-作图题
|
适中
(0.65)
【推荐1】如图,在方格纸内将
经过一次平移后得到
,图中标出了点B的对应点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/6/cac18b07-6e72-4fa3-823b-0d7dfc825ea1.png?resizew=262)
(1)补全
根据下列条件,利用网格点和三角板画图:
(2)画出AB边上的中线CD;
(3)画出BC边上的高线AE;
(4)
的面积为___________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/6/cac18b07-6e72-4fa3-823b-0d7dfc825ea1.png?resizew=262)
(1)补全
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(2)画出AB边上的中线CD;
(3)画出BC边上的高线AE;
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】如图,在平面直角坐标系中,将
先向左平移1个单位长度,再向下平移6个单位长度,得到
.
;
(2)连接
,求
和
的面积差.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bebf40b4dd1cff0fc58e263f64afd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2df93bd15f25096c510b589aad0dfc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】如图,在边长为1的小正方形所组成的网格中(我们把组成网格的小正方形的顶点称为格点),△ABC的三个顶点都在格点上,请利用网格线和直尺画图.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/30/9f6fe2ff-4f55-49d5-9ff8-24fdad086648.png?resizew=184)
(1)在图中画出△ABC关于直线l成轴对称的△A1B1C1;
(2)求△ABC的面积;
(3)在直线l上找一点P,使两条线段PA+PC的长最小.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/30/9f6fe2ff-4f55-49d5-9ff8-24fdad086648.png?resizew=184)
(1)在图中画出△ABC关于直线l成轴对称的△A1B1C1;
(2)求△ABC的面积;
(3)在直线l上找一点P,使两条线段PA+PC的长最小.
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
名校
【推荐2】在正方形网格中,每个小正方形的边长均为1个单位长度,
三个顶点的位置如图所示,现将
平移,使点A与点D重合.点E,F分别是点B,C的对应点.
(1)请画出平移后的
;
(2)连接
,
,则这两条线段之间的关系是 ;
(3)画出
的中线
;
(4)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/27/67ca1090-b435-4670-9ef5-0e4035a55616.png?resizew=261)
(1)请画出平移后的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
(3)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
(4)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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