在平面直角坐标系中,直线l:y=x+2与y轴交于点A1,如图所示,依次作正方形OA1B1C1,正方形C1A2B2C2,正方形C2A3B3C3,正方形C3A4B4C4,…,点A1,A2,A3,A4,…在直线l上,点C1,C2,C3,C4,…在x轴正半轴上,则An的坐标是____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/15/e23edae9-9f1b-4a0c-bf5d-cc9532231643.png?resizew=328)
更新时间:2021-08-12 17:31:00
|
相似题推荐
填空题
|
适中
(0.65)
名校
【推荐1】如图,直线
,点
的坐标为
,过点
作x轴的垂线交直线于点
,以原点O为原点,
长为半径画弧交x轴于点
;再过点
作x轴的垂线交直线于点
,以原点O为圆心,
长为半径画弧交x轴于点
;…,按此作法进行下去,点
的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cc81cfaccc00aa4b7139de5a35a102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.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/c0fc6cf34323f80b94fe2a9d0867d62e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.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/6b2314397acf3bf2bc1933b239e1ca7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e77973387dada13dd03c0458028cbe46.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/22/adf9107e-2ad6-4c8c-b9da-0f02d20bad0b.png?resizew=212)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,在平面直角坐标系中,将
绕点
顺时针旋转到
的位置,使点
的对应点
落在直线
上,再将
绕点
顺时针旋转到
的位置,使点
的对应点
落在直线
上,依次进行下去…,若点
的坐标是
,点
的坐标是
,则点
的横坐标是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15cbcb1592a96c8ee5a63e89b650968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d532ce76942846df88c6f66112e50f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15cbcb1592a96c8ee5a63e89b650968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1805baacd8f4454edf806935549a3711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d532ce76942846df88c6f66112e50f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0481d24e2af1e0cd348732b9444d1dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b5f7dc5b8ac574f04a553ef2c655a6.png)
![](https://img.xkw.com/dksih/QBM/2021/6/30/2753911622041600/2773401672007680/STEM/43809fbf-a7d0-4d39-873b-77b4d364a26a.png?resizew=231)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】如图,正方形ABCD内接于⊙O,⊙O的半径为2,若分别以AB,BC,CD,DA为折痕,将劣弧
,
,
,
向内对折,则图中阴影部分的面积为_____ .(结果保留π)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed41d321f4c0717ac5b443aad942d9a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bb3820bab977db734f4335e4fde720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd42d6ff380e1d9ecad9faef5a7ef5b1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/863a4617-97fb-4404-8757-ff9ec31bef63.png?resizew=151)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,正方形ABCD的面积为2
cm2,对角线交于点O1,以AB、AO1为邻边做平行四边形AO1C1B,对角线交于点O2,以AB、AO2为邻边做平行四边形AO2C2B,…,以此类推,则平行四边形AO6C6B的面积为_____ cm2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://img.xkw.com/dksih/QBM/2017/8/22/1757738799849472/1758561288953856/STEM/f4ffd6dd58294309ab9b45192dcd7501.png?resizew=206)
您最近一年使用:0次