如图,在平面直角坐标系中,
ABC三个顶点的坐标分别为A(1,-4),B(5,-4),C(4,-1).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/4/83182624-a761-4032-98bf-c26fa7488c91.png?resizew=369)
(1)画出
ABC关于原点O成中心对称的
A1B1C1;
(2)面出
ABC绕点O逆时针旋转90°所得到的
A2B2C2;
(3)将
ABC先向右平移2个单位长度,再向上平移6个单位长度,画出第二次平移后的
A3B3C3.若
A3B3C3看成是由
ABC经过一次平移得到的,则这一平移的距离等于________个单位长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/4/83182624-a761-4032-98bf-c26fa7488c91.png?resizew=369)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
(2)面出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
(3)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
更新时间:2022-08-03 18:02:57
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相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在△ABC中,∠BAC=90°,AB=15,AC=20,AD⊥BC,垂足为D.
(1)求BC的长.
(2)求AD的长.
(1)求BC的长.
(2)求AD的长.
![](https://img.xkw.com/dksih/QBM/2019/12/13/2354188380741632/2354400307691521/STEM/a1ebf73980764a91bb324019c34f9299.png?resizew=154)
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解答题-证明题
|
适中
(0.65)
【推荐2】如图,已知在
中,
,D是线段AC上一点,连接BD,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/31/7fec56bc-c77a-484b-a287-e5a5e50e76b1.png?resizew=201)
(1)求证:
;
(2)若
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df049f15adb6667113ceee3a6638cd0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b515965c22d2950b592c096c6e3bdfd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18444ec3e5e3b8a0cf488732c34866d0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/31/7fec56bc-c77a-484b-a287-e5a5e50e76b1.png?resizew=201)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70734a8e672376bb0bd1522e229f86a2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18dab0af04e2eabebcb919ca52585a24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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,
,
,
.
中任意一点
经平移后对应点为
,将三角形
作同样的平移得到三角形
.画出平移后的三角形
,写出
、
、
的坐标:
______,
______,
______;
(2)直接写线段
与x轴交点D的坐标______;
(3)若将线段
沿水平方向平移一次,再竖直方向平移一次,两次平移扫过的图形没有重叠部分.两次平移后点B的对应点
的坐标为
,已知线段
扫过的面积为20,请直接写出a,b的数量关系:______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ee2b670f75ffbc26f977e8618f37de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/918cc3fd7121361e9535df9242b14d4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577a4048681c2a12f18182f53248bf9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbec8b46231e412ddce55cc96634e182.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639e76ee3263499dabfdf8c63f0de1e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1264a2e3609e1c274acb89b5ea5019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1264a2e3609e1c274acb89b5ea5019.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)
![](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)直接写线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(3)若将线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9362f7a7911429349df9ae90591db47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cbaafe72e57bb7d6683c9cd35662c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
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解答题-作图题
|
适中
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【推荐2】如图,在边长为1个单位长度的小正方形组成的网格中,三角形
的顶点A、B、C在小正方形的顶点上,将三角形
先向上平移4个单位长度,再向右平移2个单位长度,得到三角形
.(其中点A、B、C分别对应点D、E、F)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/387ecec9-52d5-4bee-af6d-fae724447c1a.png?resizew=180)
(1)在网格中画出三角形
;
(2)连接
;
(3)直接写出三角形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ef0b1a2669a09f05bd4dc2496f706.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/387ecec9-52d5-4bee-af6d-fae724447c1a.png?resizew=180)
(1)在网格中画出三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ef0b1a2669a09f05bd4dc2496f706.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de9f075d2558b7dce0eb91148de84fb.png)
(3)直接写出三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddf878892070bc3f2e5ac3379fa5836.png)
您最近一年使用:0次
解答题-作图题
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适中
(0.65)
名校
【推荐1】如图,在平面直角坐标系中,已知点
,
和
,请按下列要求画图并填空.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/fddfc236-347d-4a4f-a528-f6758fb719b3.png?resizew=273)
(1)平移线段
,使点A平移到点C,画出平移后所得的线段
,并写出点D的坐标为______;
(2)将线段
绕点A逆时针旋转
,画出旋转后所得的线段
,连接
,求
的正切值;
(3)在y轴上找出点F,使
的周长最小,并直接写出点F的坐标为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/038dff25f3ff40b0a9ac61811e5a7b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28c47f0cc43eaace61a1988d9b1be9b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8df32c7b23e4ca6360cb78745b50f61.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/fddfc236-347d-4a4f-a528-f6758fb719b3.png?resizew=273)
(1)平移线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
(2)将线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a0387fc1258f31e44a10068c0ccfd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f79d7939c88e9702962e5917cad290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390ef645973ae1de33f05d8614cf6a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1da12b51149bf0b494d8124e20489e.png)
(3)在y轴上找出点F,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afac6934256a23613443c393446881a4.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,有一Rt△ABC,且A(﹣1,3),B(﹣3,﹣1),C(﹣3,3),已知△A1AC1是由△ABC旋转得到的.
![](https://img.xkw.com/dksih/QBM/2015/9/22/1573913237192704/1573913243525120/STEM/d2f21296cd674873a0746ade2bfc8bc6.png)
(1)请写出旋转中心的坐标是 ,旋转角是 度;
(2)以(1)中的旋转中心为中心,分别画出△A1AC1顺时针旋转90°、180°的三角形;
(3)设Rt△ABC两直角边BC=a、AC=b、斜边AB=c,利用变换前后所形成的图案证明勾股定理.
![](https://img.xkw.com/dksih/QBM/2015/9/22/1573913237192704/1573913243525120/STEM/d2f21296cd674873a0746ade2bfc8bc6.png)
(1)请写出旋转中心的坐标是 ,旋转角是 度;
(2)以(1)中的旋转中心为中心,分别画出△A1AC1顺时针旋转90°、180°的三角形;
(3)设Rt△ABC两直角边BC=a、AC=b、斜边AB=c,利用变换前后所形成的图案证明勾股定理.
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】如图,
在平面直角坐标系
中的位置如图所示.
,
,
.
(1)将
向右平移2个单位,作出平移后的
;
(2)作出
关于点
成中心对称的图形
,并写出对应点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0c21dde2ad1e31c337bfb78c810ccb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98ef6b26186130f8d88c66d3b3c78fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5558ffa6dc28d437c0467c7f361d444.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/6/df9aa39a-d913-4499-881c-da627214c6dd.png?resizew=253)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
您最近一年使用:0次
解答题-作图题
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适中
(0.65)
名校
【推荐2】在平面直角坐标系中的位置如图所示,其中每个小正方形的边长为1个单位长度.
(1)在图中画出
![](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/4310db23fc79936c7182361e652bab1a.png)
(2)在图中画出将
![](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)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次