如图,在平面直角坐标系中,
是边长为
的等边三角形,点
,
在
轴上,点
在第一象限内.
,
,
的坐标;
(2)将
先向下平移
个单位长度,再向右平移
个单位长度,得到
,请你画出平移后的图形
,并写出点
的坐标;
(3)画出
关于点
成中心对称的图形
,并写出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
(3)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/828dc8dc7259c510b6d63abf40f60e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
更新时间:2024-05-10 11:48:04
|
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解答题-作图题
|
适中
(0.65)
【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(顶点是网格线的交点的三角形)
的顶点A,C的坐标分别为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/24/49fa7302-add6-4847-b8a0-0da35395f270.png?resizew=194)
(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
关于y轴对称的
;
(3)写出点
的坐标.
(4)在y轴上找一点P,使得
的值最小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b07b1c921212657e03939c8cfdce8dcd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/24/49fa7302-add6-4847-b8a0-0da35395f270.png?resizew=194)
(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
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a9281d2ae9514c3e656192242e13b5.png)
(3)写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b730544198fcb3c2b6be3123402b418.png)
(4)在y轴上找一点P,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ded145b95a10d67bf68aa979949724b2.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,
三个顶点的坐标分别为
,
,
.
(1)画出
关于x轴对称的
;并写出对应点的坐标;
(2)画出
关于y轴对称的
;并写出对应点的坐标;
(3)观察发现:
的两次轴对称位置变化,相当于它一次怎样的变化?
(4)请求出三角形
的面积.
(5)
为
轴上一动点,当
周长最小时,画出P点的位置.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c59f0e35b7ae5206e45878934482b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6419152065edb8cabf887b65adb4a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7089a4e568ed92b1230af589f4d47be.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/25/de3a7cc1-c096-491c-8db1-8e95327f5786.png?resizew=254)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
(3)观察发现:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(4)请求出三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9524e3810e06dc781285f1289e75d653.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,方格纸中每个小正方形边长均为1,在方格纸内将△ABC的点C平移至点C'得到△A'B'C'.
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(1)画出△A'B'C';
(2)借助方格画出AB边上的中线CD和高CE;
(3)四边形ACC'A'的面积为_______.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/2/a7fe199b-98ba-49ae-8711-5a798f8d8af7.png?resizew=252)
(1)画出△A'B'C';
(2)借助方格画出AB边上的中线CD和高CE;
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您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】如图,在边长为1的小正方形组成的网格中,给出了格点三角形ABC(顶点是网格线的交点).
(1)请画出△ABC关于直线l对称的△A1B1C1;
(2)将△ABC向左平移3格,再向下平移5格,画出平移得到的△A2B2C2.
(1)请画出△ABC关于直线l对称的△A1B1C1;
(2)将△ABC向左平移3格,再向下平移5格,画出平移得到的△A2B2C2.
![](https://img.xkw.com/dksih/QBM/2019/6/14/2225496070430720/2225615891759104/STEM/dd9d764aca3b4ceaa850899754ff99ed.png?resizew=90)
您最近一年使用:0次
解答题-作图题
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适中
(0.65)
【推荐1】如图所示的正方形网格中,
的顶点均在格点上,在所给直角坐标系中解答下列问题:
![](https://img.xkw.com/dksih/QBM/2021/12/28/2887403439210496/2948304308461568/STEM/b708875fe5b0437cbee014206bf40d46.png?resizew=188)
(1)作出
关于坐标原点
在中心对称的
;
(2)将
绕点
逆时针旋转90°,画出旋转后的
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://img.xkw.com/dksih/QBM/2021/12/28/2887403439210496/2948304308461568/STEM/b708875fe5b0437cbee014206bf40d46.png?resizew=188)
(1)作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a2e386068f5b920eee5e512edc2339.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58411a64debd3f3d20d6e0c2aa147372.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】在如图所示的正方形网格中,建立平面直角坐标系,
的三个顶点的坐标分别为
,
,
.
关于原点
对称的
,并分别写出
的坐标;
(2)在网格内,画出以点
为位似中心,把
放大为原来的
倍后的
;
(3)若
也是
的位似图形,点
是位似中心,在图中画出点
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cac5ec363f431b3d75753828852f0a82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1bd9e1ebf9609e41bb0309a61650dcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8df32c7b23e4ca6360cb78745b50f61.png)
![](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/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2c4f20594ab1443c0d8dcce42895f3.png)
(2)在网格内,画出以点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b33e057934f62106c58e67c378cee46e.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b33e057934f62106c58e67c378cee46e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次