如图在平面直角坐标系中,
,
,
,请解答下列问题:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/1/895aac09-18f3-4e99-bd51-dd331ca85b31.png?resizew=244)
(1)画出
绕点
顺时针旋转
后得到的
,使
与
对应,并写出点
的坐标
(2)直接写出
外接圆圆心的坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53efcba08b1c0c9f7b495c2a289ebea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78d33babaaaf9d777d0b351a90fbf25d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d74d570c9749c0b0dc8e5ee805630a3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/1/895aac09-18f3-4e99-bd51-dd331ca85b31.png?resizew=244)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f73e4d0557ca664d1edd70b7275667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
(2)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
更新时间:2022-12-29 16:58:35
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相似题推荐
解答题-作图题
|
适中
(0.65)
【推荐1】如图,方格纸中每个小方格都是边长为1的正方形,我们把以格点间连线为边的三角形称为“格点三角形”,图中△ABC就是格点三角形,建立如图所示的平面直角坐标系,点C的坐标为(0,﹣1).
(1)在如图的方格纸中把△ABC以点O为位似中心扩大,使放大前后的位似比为1:2,画出△A1B1C1(△ABC与△A1B1C1在位似中心O点的两侧,A,B,C的对应点分别是A1,B1,C1).
(2)利用本题方格纸标出△A1B1C1外接圆的圆心P, P点坐标是 .
(3)在(2)中的条件下,求⊙P中劣弧A1B1的长度.
(1)在如图的方格纸中把△ABC以点O为位似中心扩大,使放大前后的位似比为1:2,画出△A1B1C1(△ABC与△A1B1C1在位似中心O点的两侧,A,B,C的对应点分别是A1,B1,C1).
(2)利用本题方格纸标出△A1B1C1外接圆的圆心P, P点坐标是 .
(3)在(2)中的条件下,求⊙P中劣弧A1B1的长度.
![](https://img.xkw.com/dksih/QBM/2019/12/10/2352227864600576/2355722282909696/STEM/dfa18077bde14b6288695726d51596b1.png?resizew=212)
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解答题-作图题
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适中
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名校
【推荐2】如图,在平面直角坐标系中,已知
三个顶点的坐标分别是
,
,
.、
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/9275f424-2e94-42ce-834d-f3033bc60f20.png?resizew=166)
(1)以点
为位似中心,将
缩小为原来的
得到
,请在
轴下方画出
;点
为
内的一点,则点
在
内部的对应点
的坐标为_______.
(2)
外接圆的圆心坐标为_______,外接圆的半径是_______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bdfc750fe0ace842a461e89f2b7b290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d429efe96d68065e7d433c996682791d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/482e275f64c80bb9ae0acef9f9481947.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/9275f424-2e94-42ce-834d-f3033bc60f20.png?resizew=166)
(1)以点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解答题-作图题
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名校
【推荐1】如图,在平面直角坐标系xOy中,已知
的三个顶点分别是
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/16/c7bdbc8c-96e3-485b-aada-d291d8c98c42.png?resizew=263)
(1)平移
,使得点A的对应点
的坐标为
,画出平移后的
;
(2)将
绕点O旋转180°,画出旋转后的
;
(3)若
与
关于点P成中心对称,则点P坐标为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/275fbc5534b173b552b6baacf5898569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d31cd03879d5c69ff11d0923f1ee82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86c388f2604da379a588f8c5b4a6a767.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/16/c7bdbc8c-96e3-485b-aada-d291d8c98c42.png?resizew=263)
(1)平移
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
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解答题-问答题
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适中
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【推荐2】如图是由小正方形组成的
网格,每个小正方形的顶点叫做格点.正方形
四个顶点都是格点,
是
上的格点,仅用无刻度的直尺在给定网格中完成画图,画图过程用虚线表示.
(1)在图(1)中,先将线段
绕点
顺时针旋转
,画对应线段
,再在
上画点
,并连接
,使
;
(2)在图(2)中,M是
与网格线的交点,先画点
关于
的对称点
,再在
上画点
,并连接
,使
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/490dbe9310ac070780745e3d504a953e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/7/b2fa4d5a-e718-4c09-85df-29045222eab5.png?resizew=448)
(1)在图(1)中,先将线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e322e0c87479bba874db9ae9ba36b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce5cfdd2ea96ea11c78a447f6489547d.png)
(2)在图(2)中,M是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83042953e7f15e984b2da2ee9ca678d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1cf5622311e18b42ff406d3cb052816.png)
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解答题-作图题
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适中
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名校
【推荐1】在平面直角坐标系中,的位置如图所示,(每个小方格都是边长为1个单位长度的正方形).
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b33e057934f62106c58e67c378cee46e.png)
(3)
![](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/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/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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解答题-作图题
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适中
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【推荐2】已知△OAB在平面直角坐标系中的位置如图所示,将△ABO绕原点O逆时针旋转90°得到△OA1B1.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/95b63ca6-3c12-43e8-824f-1c3e7fd69f2c.png?resizew=250)
(1)画出△OA1B1,并写出点A1、B1的坐标;
(2)求△ABO绕原点O逆时针旋转90°扫过的面积.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/95b63ca6-3c12-43e8-824f-1c3e7fd69f2c.png?resizew=250)
(1)画出△OA1B1,并写出点A1、B1的坐标;
(2)求△ABO绕原点O逆时针旋转90°扫过的面积.
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