如图,在平面直角坐标系中,四边形ABCD是正方形,点A的坐标为(0,1),点B的坐标为(2,0).
点C的坐标为________ ;
②若正方形ABCD和正方形A1BC1B1关于点B成中心对称;正方形A1BC1B1和正方形A2B2C2B1关于点B1成中心对称;…,依此规律,则点C7的坐标为________ .
点C的坐标为
②若正方形ABCD和正方形A1BC1B1关于点B成中心对称;正方形A1BC1B1和正方形A2B2C2B1关于点B1成中心对称;…,依此规律,则点C7的坐标为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/24/86170c54-96ff-4d53-8bea-332b1fc1364c.png?resizew=215)
21-22九年级上·湖南长沙·期末 查看更多[3]
湖南省长沙市望城区2021-2022学年九年级上学期期末数学试题(已下线)期末难点特训(三)选填压轴50道-【微专题】2022-2023学年九年级数学下册常考点微专题提分精练(人教版)(已下线)八年级开学摸底考(四川成都专用)-2023-2024学年初中下学期开学摸底考试卷
更新时间:2022-07-18 16:50:17
|
相似题推荐
填空题
|
较难
(0.4)
【推荐1】如图,在平面直角坐标系中,直线
交x轴于点
,交y轴于点
,点
,
,
,
,…都在直线l上:点
,
,
,
,…都在x轴上,以
为直角顶点作等腰直角三角形
;再以
为直角顶点作等腰直角三角形
……如此下去,则等腰直角三角形
的腰长
为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ad268d649639fa4ed1e9986f83a2af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41d793c851a2f72f787913ba23e459c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e47cd514b2920609e3781c87df6ab70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5002f030017f6f0b34a61b2e15c5a9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2857fac4963b129d99e79dcb3e13d295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a821e643d5fae24caed0faa6d423dad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5974b9d4dfe83ee1b98f95c5dfb617a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25e37ccddf5937fc9a79cfefc7331d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47580f00f9eedf3e0bb4d9a94554c6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2da2de7a289714c388ff04a49cb0ac52.png)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐2】如图,在边长为单位1的方格纸上,
,
,
,…,都是斜边在x轴上、斜边长分别为2,4,6,…的等腰直角三角形.若
的顶点坐标分别为A1(2,0),A2(1,-1),A3(0,0),则依图中所示规律,顶点A2014的坐标为_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbfc0ce508977423897abed5933856f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf529a81d1694cd7ac0fb4666dfc878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfbd42b5263db33b98bd2a0c73f503b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbfc0ce508977423897abed5933856f.png)
![](https://img.xkw.com/dksih/QBM/2014/6/6/1573733118976000/1573733124595712/STEM/5ce9e252-ff15-440b-b01c-3cc944c33e31.png?resizew=330)
您最近一年使用:0次
填空题
|
较难
(0.4)
名校
【推荐1】如图,点A是双曲线y=
在第一象限上的一动点,连接AO并延长交另一分支于点B,以AB为斜边作等腰Rt△ABC,点C在第二象限,随着点A的运动,点C的位置也不断的变化,但始终在一函数图象上运动,则这个函数的解析式为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47651f15eeed13a8035eaf5b9f384a9d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/14/4126e5d1-7669-4aa8-92c1-9c729bfe676b.png?resizew=150)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐2】如图,在
中,
,M是
的中点,点D在
上,
,垂足分别为E,F,连接
.则下列结论中:①
;②
;③
;④
;⑤若
平分
,则
;正确的有_____ .(只填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d89ba4036a5d18ec4abed44d7fd8e89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b40d626dbb862ac3d45721ff5751731.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b46c607b3deac746c0ef3389ad8f65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c55ee522f41c43253050e92b3c8de31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008b4d6e7d6eff05bff02cc65960c983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c47d877f313e313c891bef491915ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6505014d51fb89bec27ab3ca91f2d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9317d4400d219342a389f8b499685e76.png)
您最近一年使用:0次
填空题
|
较难
(0.4)
名校
【推荐1】直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ebce8b2a915356ed39f36c5bad2ebe.png)
与
轴、
轴分别交于
两点,以
为边向外作正方形
,对角线
交于点
,则过
两点的直线的解析式是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ebce8b2a915356ed39f36c5bad2ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78751dd92549c57ecf1a9b656d3b5906.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3c032441543354c154ee67d744abb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e7f10e0c8af2d0d02a685f6f19e329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/7/2e614190-baa3-4732-bb7d-8872a40df9be.png?resizew=169)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐2】如图1,在线段AB上有一点E,若
=
,则我们称E为AB的黄金分割点.如图2,正方形PQMN的边PQ上有一点O,连接ON,延长OP至点G,使得OG=ON,以PG为边在正方形PQMN的上方作正方形PGKH,若PQ=4,H是PN的黄金分割点,过点O作OI⊥ON交QM于点I,则S△NOI的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f276ad76c075f4be32ad326d223cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1a2a3ca97740b27193a7289833819ee.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/22/6ad3b631-5cc7-4231-9758-f8aa51c8d928.png?resizew=271)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐1】如图,半圆O的直径AB=4cm,
,点C是
上的一个动点(不与点B,G重合),CD⊥OG于点D,CE⊥OB于点E,点E与点F关于点O中心对称,连接DE、DF,则△DEF面积的最大值为__________ cm2
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a20a50c2771b9db0057fd0ff6880f55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5d6dbc253616d650048d1a49730f42.png)
![](https://img.xkw.com/dksih/QBM/2021/12/17/2874531521126400/2942467600908288/STEM/97db6c35-7486-487f-99d9-d22a04eb5b4a.png?resizew=153)
您最近一年使用:0次
填空题
|
较难
(0.4)
名校
【推荐2】在如图所示的平面直角坐标系中,
是边长为2的等边三角形,作
与
关于点
成中心对称,再作
与
关于点
成中心对称,…,如此作下去,则
的顶点
的坐标是___________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb99c20237aca8ff2ba640c28fbc5b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64eed0bbc5171d045b137c4db906f4b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb99c20237aca8ff2ba640c28fbc5b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/123affa2d37ec6d18a192fdc3840ec9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64eed0bbc5171d045b137c4db906f4b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f177e74fce035474ee283147de3e185f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e77973387dada13dd03c0458028cbe46.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/24/606bd940-0fac-4f7c-b46f-4e9176529625.png?resizew=213)
您最近一年使用:0次