如图,
的顶点都在
正方形网格纸的格点上,且
,
,
.按要求完成下列问题:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/5/6b959f88-af6a-4aad-84a5-23ee735041dc.png?resizew=231)
(1)在坐标系中,描出点
,
,
的位置,并连接
,则
与
关于______对称;(填“x轴”或“y轴”)
(2)画出
关于
轴对称的
;
(3)设点
是x轴上一动点,直接写出
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd4be97adde17423d59d86d18318c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed4ec13997c8c34ff2484491e4410dc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1fb847dd867b2190683057004a59048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7720309624a5e413f5e612bd492effe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/5/6b959f88-af6a-4aad-84a5-23ee735041dc.png?resizew=231)
(1)在坐标系中,描出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/941f1e03cf944bc82823eaab7cb2f9e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24cacc082d4d3e815aa7cc97099abda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cacda88879ca34abd3df451e5b0c712a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aade83af002b001a9367c2226dcfcda0.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/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf1c5eb81b252c151d4bb5be7fe3671.png)
(3)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a13ec9a812274ad0839f20ba17348687.png)
更新时间:2024-03-02 07:37:11
|
相似题推荐
解答题-作图题
|
适中
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【推荐1】如图,在单位长度为1的正方形网格中,一段圆弧经过格点A、B、C.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/8/6326c467-a693-42e7-a7cc-264328e129f4.png?resizew=193)
(1)画出该圆弧所在圆的圆心D的位置,并连接
.
(2)请在(1)的基础上,以点O为原点、水平方向所在直线为x轴、竖直方向所在直线为y轴,建立平面直角坐标系,完成下列问题:
①
的半径为_________(结果保留根号);
②若用扇形
围成一个圆锥的侧面,则该圆锥的底面圆半径是_____.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/8/6326c467-a693-42e7-a7cc-264328e129f4.png?resizew=193)
(1)画出该圆弧所在圆的圆心D的位置,并连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20289a64fad08d58fcb80a6799330adf.png)
(2)请在(1)的基础上,以点O为原点、水平方向所在直线为x轴、竖直方向所在直线为y轴,建立平面直角坐标系,完成下列问题:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c72c070f4f4d2b44927391b59a1e755.png)
②若用扇形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d78fc7fcb2762de28dcef8aa3aa0e49.png)
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解答题-作图题
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适中
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【推荐2】如图,网格中每个小正方形的边长均为1,线段AB的端点均在小正方形的顶点上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/21/01ff37c8-c5b0-44f5-8ac4-aba7ed20af1a.png?resizew=423)
(1)在图1中画出一个以线段AB为一边的平行四边形ABCD,点C、D都在小正方形的顶点上,且平行四边形ABCD的面积为10,且
;
(2)在图2中画一个
,点E在小正方形的顶点上,
面积为4,且
.并直接写出BE的长.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/21/01ff37c8-c5b0-44f5-8ac4-aba7ed20af1a.png?resizew=423)
(1)在图1中画出一个以线段AB为一边的平行四边形ABCD,点C、D都在小正方形的顶点上,且平行四边形ABCD的面积为10,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695525d00319665b1ad0d01717979523.png)
(2)在图2中画一个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd3a9a395d864fd0bda3ed29b2dd9d3.png)
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解答题-作图题
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适中
(0.65)
【推荐1】如图,在平面直角坐标系中,已知
,
,
,
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/dfe8a2da-56c3-4b60-bb49-596c37c15007.jpg?resizew=223)
(1)在平面直角坐标系中画出
,则
的面积是______.
(2)画出
关于y轴对称的
,其中点A、B、C的对应点分别为点
、
、
.
(3)已知点P为x轴上一点,若
的面积为3,求出点
的横坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246634ea7101477592084265f5d59cd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f605a7fc2f1064fe14882ee426839db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b18bf8c9cb0542d3fefca36bf4f98e6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/dfe8a2da-56c3-4b60-bb49-596c37c15007.jpg?resizew=223)
(1)在平面直角坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)画出
![](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/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
(3)已知点P为x轴上一点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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解答题-作图题
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适中
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【推荐2】如图,在平面直角坐标系中,每个小方格都是边长为1个单位的正方形,
的顶点均在格点上,点
的坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/10/6ce2ce65-0762-4eae-a6a3-7447ff70b09e.png?resizew=248)
(1)画出
关于
轴对称的
,并写出
点的坐标;
(2)画出将
绕原点
按逆时针旋转
所得的
,并写出
点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/10/6ce2ce65-0762-4eae-a6a3-7447ff70b09e.png?resizew=248)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/b1241216f3c1cb5e73043dd1037f556d.png)
(2)画出将
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】在平面直角坐标系xOy中,直线l:x=m表示经过点(m,0),且平行于y轴的直线.给出如下定义:将点P关于x轴的对称点
,称为点P的一次反射点;将点
关于直线l的对称点
,称为点P关于直线l的二次反射点.例如,如图,点M(3,2)的一次反射点为
(3,-2),点M关于直线l:x=1的二次反射点为
(-1,-2).
已知点A(-1,-1),B(-3,1),C(3,3),D(1,-1).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/12/eb86a9e2-ca03-4e60-90ea-c0821fe825cd.png?resizew=220)
(1)点A的一次反射点为 ,点A关于直线
:x=2的二次反射点为 ;
(2)点B是点A关于直线
:x=a的二次反射点,则a的值为 ;
(3)设点A,B,C关于直线
:x=t的二次反射点分别为
,
,
,若△![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
与△BCD无公共点,求t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
已知点A(-1,-1),B(-3,1),C(3,3),D(1,-1).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/12/eb86a9e2-ca03-4e60-90ea-c0821fe825cd.png?resizew=220)
(1)点A的一次反射点为 ,点A关于直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(2)点B是点A关于直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(3)设点A,B,C关于直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.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-问答题
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适中
(0.65)
名校
【推荐2】在平面直角坐标系中,点
,
,实数
,
满足等式:
,以
为直角边作等腰Rt
,如图1,点
在第二象限,
.
![](https://img.xkw.com/dksih/QBM/2021/11/18/2854004655120384/2857361536712704/STEM/e4739a52-7497-4b27-8855-7be3514129a4.png)
(1)填空:
,
;
(2)求点
坐标;
(3)将
点关于
轴的对称点沿着
轴向上移动
个单位(
,是常数)得到
点.在
轴上有一条长度固定为
、可以左右移动的线段
,以
,
为直角边分别在第一象限和第二象限作等腰Rt
和等腰Rt
,如图2,
.连接
交
轴于点
,连接
,
.试探究:在定长线段
沿着
轴左右移动的过程中,
的面积是否会发生变化?若不发生变化,请说明理由;若发生变化,请求出
的面积的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d7a6fd6d651ae341154c2e40928d628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9100f0df5302cd5596b7a653bc1943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef3552ef3adb56e4af7b78b664b5361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](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/45acdbac251ca6b76a166c1242e71df9.png)
![](https://img.xkw.com/dksih/QBM/2021/11/18/2854004655120384/2857361536712704/STEM/e4739a52-7497-4b27-8855-7be3514129a4.png)
(1)填空:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(3)将
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878e89b6eca35e34c863e832a2c661db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17cd7223f1384160818fc1c74544c485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc6ca93d868b56ce9e2f752ec264eabb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b611e6ae4cab460e96ccbdb30ccd38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1215e4b847f1c27fa6fa3c4568cee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
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