在平面直角坐标系
中,已知
,
,
经过平移后得到
,若
的坐标为
.
(1)求
的坐标,并在图中画出
;
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3326927e4b01e981a19109633141e06a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5dd02ef5bf6f4fd27de63840cf97021.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da4f20890e1be975ec29f98d5a3e9310.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/11/c1855402-9aab-4675-b2c2-0c78d22b3649.png?resizew=262)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e163285c76fdfc9fa1db3e34326440ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
22-23七年级下·内蒙古呼伦贝尔·期末 查看更多[2]
更新时间:2023-08-08 21:15:07
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在平面直角坐标系中,已知
,
,
三点,其中a,b,c满足关系式
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/3f7ed7b8-c40c-45b8-99d7-f6c551fc0d4a.png?resizew=190)
(1)分别求出点A,B,C的坐标;
(2)若在第一象限内有一点
.
①请用含有m的式子表示出四边形
的面积S;
②是否存在点M,使四边形
的面积与
的面积相等?若存在,求出点M的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c240561788bc63f41a6703219fb66d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48c09615735d331befd07664aa47cb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff310f758e0eeae840fff03de24d1527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663f72c96a827432a6daf7933a6c8316.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/3f7ed7b8-c40c-45b8-99d7-f6c551fc0d4a.png?resizew=190)
(1)分别求出点A,B,C的坐标;
(2)若在第一象限内有一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8ed6d55fd6954b5a6f085505f2cf26.png)
①请用含有m的式子表示出四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9ed368ef5b60bb3952bd64ced7916c.png)
②是否存在点M,使四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9ed368ef5b60bb3952bd64ced7916c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】在平面直角坐标系中,点A,B的坐标分别为
,
,且满足
,现同时将点A,B分别向上平移4个单位长度,再向右平移3个单位长度,分别得到点A,B的对应点D,C,连接
,
,
.
(2)求四边形
的面积.
(3)在y轴上是否存在点P,使三角形
的面积等于四边形
的面积?若存在,请求出点P的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7799d713e6f2be4cb542b0372916a25e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552a77a57b08d26bc38e31b653c194dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd520abfc99b7cc15650575ef419396f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(2)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(3)在y轴上是否存在点P,使三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐3】问题情境:在平面直角坐标系中有两个不重合的点,分别为点
和点
.若
,
,则线段
轴,且线段
的长度为
;若
,
,则线段
轴,且线段
的长度为
.
应用
(1)若点
,
的坐标分别为
,
,则线段
∥________轴,
的长度为________.
(2)若点
,且线段
轴,
,则点
的坐标为________.
拓展
(3)我们规定:在平面直角坐标系中,若
,
,则式子
的值就叫做线段
的“勾股距”,记作
,即
.例如:有点
与点
,则线段
的勾股距为
.
解决下列问题:
①已知
,若
,则
________.
②已知
,
,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8530bca5123179cfede86d03738495e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0060a368e8f3463fb22f9d354b64a98f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759b29a7b2b3735306f1a650355a7858.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6893511ebfd1fac1412774e04e10748d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d931bce6368ba976d026f1f0984ca3d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38503bb56e68ceff68abdd85f4c3a63f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098943e98ad321740f83f0bb67004598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc330a9671536bc46fa244b4ceebcf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ecbb94ac8dfe5fbc3bffad8c9da301.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7815ff9ec9218d3e0811b3c7f15afe7c.png)
应用
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25fe125be0d5686f498f98b9dbbf33bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243e699ef05dc31d5f577bef2a22801e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa433c7f879181697b73c751605d394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9d7e8b9ea80aed3cb436e830e08f74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
拓展
(3)我们规定:在平面直角坐标系中,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8530bca5123179cfede86d03738495e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0060a368e8f3463fb22f9d354b64a98f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92b7cab23a22000baea1a2f30856e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ebfda261c4a27e1fa2ee5fc6d4bdfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e342263095de25500ec266b1745bb81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bdcfc71b422a73d7110b17e57c0e161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4550957141f616df61a8bc8899ca0732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b7a64c50efb37c4ca7c995ccf0427a.png)
解决下列问题:
①已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e4c60a39479f30736dde0c6085833b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/798abd73ad80cde79e8cc9903e4cab4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/043351b9ee50f7420dd2f9afe83dc5cd.png)
②已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61dafc16c5fbb3eff15177f7d7b6e19e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f07a345a3fa557538a4040e9e8f324e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f45e814654e418edfa8c526b3d16c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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,在正方形网格中,
的顶点C的坐标为
.
(1)画出
向下平移2个单位后的
;
(2)画出
关于y轴对称的
;
(3)直接写出顶点C的对称点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80991c1f0c963104740e50cfff6f29a8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/19/f71097d7-5ab3-40b3-af74-b6e862e73da3.png?resizew=182)
(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/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
(3)直接写出顶点C的对称点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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,在每个小正方形边长为1的方格纸中,△ABC的顶点都在方格纸格点上.将△ABC向左平移2格,再向上平移4格.
![](https://img.xkw.com/dksih/QBM/2020/5/15/2463350260211712/2464198723674112/STEM/e415bde714224afda843e27c19cf1c78.png?resizew=216)
(1)请在图中画出平移后的△A′B′C′;
(2)连接A A′、C C′,四边形AC C′A′的面积为 ;
(3)在右图中能使S△ABC=S△PBC的格点P的个数有 个(点P异于点A).
![](https://img.xkw.com/dksih/QBM/2020/5/15/2463350260211712/2464198723674112/STEM/e415bde714224afda843e27c19cf1c78.png?resizew=216)
(1)请在图中画出平移后的△A′B′C′;
(2)连接A A′、C C′,四边形AC C′A′的面积为 ;
(3)在右图中能使S△ABC=S△PBC的格点P的个数有 个(点P异于点A).
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】在直角坐标系中,已知线段
,点A的坐标为
,点B的坐标为
,如图1所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/13/8349797a-2f75-4738-827d-9554a7da822d.png?resizew=322)
(1)平移线段
到线段
,使点A的对应点为D,点B的对应点为C,若点C的坐标为
,求点D的坐标;
(2)平移线段
到线段
,使点C在y轴的正半轴上,点D在第二象限内,连接
,
,如图2所示.若
(
表示三角形
的面积),求点C、D的坐标.
(3)在(2)的条件下,在y轴上是否存在一点P,使
(
表示三角形
的面积)?若存在,求出点P的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995fe6f5f09caa7da2f8651bf77b501b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf457459e1b006052117eb3151f7cf39.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/13/8349797a-2f75-4738-827d-9554a7da822d.png?resizew=322)
(1)平移线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db588d1dde514ea62bd6f3e5abcd1fb0.png)
(2)平移线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2eac4c454932c26fb3137bc625cd92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b04d3d8f7186477d8bb752a7ac56b1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
(3)在(2)的条件下,在y轴上是否存在一点P,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44610acc22b67df9f2f4ef34ec9eb9a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03cab2c9f78f55c14738123d22f3278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】平面直角坐标系中,O为原点,点,
,
.
(1)如图①,则三角形ABC的面积为______;
(2)如图②,将点B向右平移7个单位长度,再向上平移4个单位长度,得到对应点D.求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.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,在单位正方形网格中,建立了平面直角坐标系xOy,试解答下列问题:
ABC向右平移6个单位,再向下平移2个单位后的图形
A1B1C1,并写出点A1的坐标;
(2)求
ABC的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.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,直角坐标系中,三角形
的顶点都在网格点上.
![](https://img.xkw.com/dksih/QBM/2020/6/27/2493534047150080/2494380189622272/STEM/b9cbd272-86f8-4598-b346-de162a9e9306.png?resizew=237)
(1)将三角形
先向左平移
格,再向下平移
格,得到三角形
,请画出三角形![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
(2)请写出点
的坐标.
(____,_____)
(3)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://img.xkw.com/dksih/QBM/2020/6/27/2493534047150080/2494380189622272/STEM/b9cbd272-86f8-4598-b346-de162a9e9306.png?resizew=237)
(1)将三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
(2)请写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐3】如图①,在平面直角坐标系中,点
的坐标分别为
,现同时将点
分别向上平移
个单位长度,再向右平移
个单位长度,分别得到点
的对应点
,连接![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbc6537df8322bfc44dcc1fb24cbcd4.png)
问题提出:
(1)请直接写出点
的坐标
,
,及四边形
的面积
﹔
拓展延伸:
(2)如图①,在坐标轴上是否存在一点
,使
,若存在,请求出点
的坐标,若不存在,试说明理由.
(3)如图②,点
是线段
上的个动点,连接
,当点
在
上移动时(不与
重合)给出下列结论:①
的值不变,②
的值不变,其中有且只有一个是正确的,请你找出这个结论并求其值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e0711a944e927910453209e2c1b079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbc6537df8322bfc44dcc1fb24cbcd4.png)
问题提出:
(1)请直接写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848a47909f9c96706a21a887b2b997ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520f8abda6a85e7ef6f281fc2df853fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79299282fbfdaf624631753c767499ab.png)
拓展延伸:
(2)如图①,在坐标轴上是否存在一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760f901773a86e0fe858ecf5ae698314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)如图②,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e665df5aaacc75b30f6429102df3e91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc2b364f8c525d18ba60f8ba07987d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211bbbcbe8fb843166d3f3781bbfac96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a75b40336e9829f7a8c89df4e1ea62a9.png)
您最近一年使用:0次