如图,在平面直角坐标系中,每个小正方形的边长都为1,
和
的顶点都在格点上,回答下列问题:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](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/72cb97395ebc5ee1b212afb7a97b985c.png)
(2)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cf39c4552ecb2b659f052dc5c0f5eb.png)
(3)在(2)中,点C所形成的路径的长度为 .
更新时间:2024-03-19 07:44:55
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解答题-作图题
|
适中
(0.65)
【推荐1】如图是边长为1的小正方形组成的方格纸,△ABC的三个顶点都在格点上(每个小方格的顶点叫格点).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/8/71ca13a9-2677-4f07-87a0-a9146cbd8062.png?resizew=240)
(1)画出△ABC绕点O顺时针旋转90°后的△A1B1C1;
(2)用圆规作出点A旋转到A1所经过的路线,并计算其长度.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/8/71ca13a9-2677-4f07-87a0-a9146cbd8062.png?resizew=240)
(1)画出△ABC绕点O顺时针旋转90°后的△A1B1C1;
(2)用圆规作出点A旋转到A1所经过的路线,并计算其长度.
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解答题-作图题
|
适中
(0.65)
【推荐2】如图,正方形网格中,每个小正方形的边长都是一个单位长度,在平面直角坐标系内,
的三个顶点坐标分别为
,
,
.
(1)画出
关于
轴对称的
,直接写出点
的坐标;
(2)画出
绕点
逆时针旋转
后的
;
(3)在(2)的条件下,求点
到
经过的路径长(结果保留
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92c918b7042bed26495b497cf74ffa59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc992136ecb52fec1577ba695dff3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59debad0cd25aec393499db0028f17c3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/28/087b5c98-d892-45a6-af87-35b17b830a4a.jpg?resizew=228)
(1)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/a18722354086c42e62334983fc50eb6a.png)
(2)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
(3)在(2)的条件下,求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
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解答题-作图题
|
适中
(0.65)
【推荐1】如图,在平面直角坐标系中,每个小正方形的边长为1cm,△ABC各顶点都在格点上,点A,C的坐标分别为(﹣1,2)、(0,-1),结合所给的平面直角坐标系解答下列问题:
![](https://img.xkw.com/dksih/QBM/2014/3/25/1573716947001344/1573716953243648/STEM/96200a8deea741a9a49f235681a25093.png)
(1)AC的长等于 ;
(2)画出△ABC向右平移2个单位得到的△
,则A点的对应点
的坐标是 ;
(3)将△ABC绕点C按逆时针方向旋转90°,画出旋转后的△
,则A点对应点
的坐标是 .
![](https://img.xkw.com/dksih/QBM/2014/3/25/1573716947001344/1573716953243648/STEM/96200a8deea741a9a49f235681a25093.png)
(1)AC的长等于 ;
(2)画出△ABC向右平移2个单位得到的△
![](https://img.xkw.com/dksih/QBM/2014/3/25/1573716947001344/1573716953243648/STEM/48f823e24a1b4b38aaed23e929a7dfce.png)
![](https://img.xkw.com/dksih/QBM/2014/3/25/1573716947001344/1573716953243648/STEM/1846d8d17d694f26953982862be22e0b.png)
(3)将△ABC绕点C按逆时针方向旋转90°,画出旋转后的△
![](https://img.xkw.com/dksih/QBM/2014/3/25/1573716947001344/1573716953243648/STEM/5c50e586d33b4d138d494d8cd8c7f405.png)
![](https://img.xkw.com/dksih/QBM/2014/3/25/1573716947001344/1573716953243648/STEM/8d0c1f712d004126ae2441c7da840d04.png)
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解答题-作图题
|
适中
(0.65)
【推荐2】如图,在
的网格中,
的三个顶点均在格点上,请按要求在方格纸上画格点三角形(各顶点都在格点上).
(1)在图1中画出
,使它由
绕着点B旋转得到;
(2)在图2中找到格点M,N,使得
与
相似,且相似比为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dde0704f1cbf18977df5b4799b4d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/33b0adb8-da1b-4c33-b584-1efa7a37cde4.png?resizew=432)
(1)在图1中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2ea13010e2399194be2a681310543e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)在图2中找到格点M,N,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d0469336f71edd52dc9148c67db052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d76e86c1dcc191aa8d51b3a528a454d.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,在直角坐标系
中,已知函数
.
(1)画出这个函数的图象;
(2)观察图象,完成填空:
①方程
解是___________;
②当x_________时,y随x的增大而增大;
③当x_________时,y随x的增大而减小;
④该函数图象可以看作抛物线
经过怎样的几何变换得到的?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/620fff76456e4080c41c51661171c66f.png)
(1)画出这个函数的图象;
(2)观察图象,完成填空:
①方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b0b55c3297ce66c96d1559d76971f4.png)
②当x_________时,y随x的增大而增大;
③当x_________时,y随x的增大而减小;
④该函数图象可以看作抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c57e815c01a412466a6aa12d3e883a77.png)
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