如图,在平面直角坐标系中,点A、B、C的坐标分别为
,
,
,将
先向左5个单位,再向下平移3个单位得到
.
;
(2)写出平移后的
三个顶点的坐标;
( , )
( , )
( , )
(3)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53a1e932878ba2daabda192156b59eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f1362dadcee08b1a1c8530e95e8ac0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d74d570c9749c0b0dc8e5ee805630a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)写出平移后的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.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)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
更新时间:2023-05-11 09:33:26
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解答题-作图题
|
适中
(0.65)
【推荐1】如图,将三角形ABC向右平移2个单位长度,再向下平移3个单位长度,得到对应的三角形A1B1C1,画出三角形A1B1C1,并写出点A1、B1、C1的坐标.
![](https://img.xkw.com/dksih/QBM/2018/4/28/1933688707063808/1936895653003264/STEM/1cc8b31bd8e549cbb9958fcd574f62a1.png?resizew=312)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】如图,在直角坐标系中,
的位置如图(每个小正方形的边长都为1)所示,将
先向左平移4个单位长度,再向下平移3个单位长度,得到
,请完成下列问题:
,再写出
的坐标:
________;
________;
________.
(2)求
的面积;
(3)已知点P在
轴上,以
为顶点的三角形面积为2,则
点的坐标为________.
![](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/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28a3de77f00a227b6fe20df7c3461424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)已知点P在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2352ca3f1d3bcc518ae7884cf05b75e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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