如图,在平面直角坐标系中,点A和点B分别在x轴和y轴的正半轴上,OA=OB=1,以线段AB为边在第一象限作正方形ABCD,CD的延长线交x轴于点E,再以CE为边作第二个正方形ECGF,…,依此方法作下去,则第2020个正方形的边长是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/13/a496af5b-3713-4bf1-a8cf-c66acc85b409.png?resizew=174)
A.![]() ![]() | B.![]() ![]() | C.(![]() ![]() | D.(![]() ![]() |
更新时间:2020-03-01 13:20:15
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,在
中,
,
平分
,过点B作
,垂足为点D,连接
,若
,
,则
的面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/27/5524a39c-8d3d-47ae-9999-41bd79976403.png?resizew=178)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eddf629bfb2d7b9daea6f2c1553360af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9c7cbcc38b28d45c8539710e5b260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/27/5524a39c-8d3d-47ae-9999-41bd79976403.png?resizew=178)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图,正方形
和正方形
的顶点
在同一直线
上,且
,给出下列结论:
,
②
,
③
的面积
,
④
,其中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607543bb9f55b8a141ed2d6cf0e1a20b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd99b5307e1febce537a8cd903c6e6c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52bac5c706a97ae4fef363fa4aa32450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14fcec79960f8dae0bde1674aa1cfb99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d30cd3e53a9df24fe6da5e8a3a7ec5.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b51630723c81c43652cac2d31c6f4a16.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb84c8562ad8a32d1306e2f306b16fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/984bf0405da91d4487ead595b0716321.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca0eeb62c89c088a58af555a882a403.png)
A.①②③ | B.②③④ | C.①②④ | D.①③④ |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图,七巧板是我国民间流传最广的一种传统智力玩具,也被西方称为“东方魔板”,它是由正方形分割成七块板组成.若这个正方形的面积为16,则图中两块面积之和为5的是( )
![](https://img.xkw.com/dksih/QBM/2023/4/12/3214868716789760/3215629861519360/STEM/4f28dec901db4a0c88e15e1fb691006e.png?resizew=180)
![](https://img.xkw.com/dksih/QBM/2023/4/12/3214868716789760/3215629861519360/STEM/4f28dec901db4a0c88e15e1fb691006e.png?resizew=180)
A.①⑦ | B.②④ | C.①③ | D.④⑥ |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,正方形
和等边三角形
夹在两条平行线之间,顶点
,
分别在两条平行线上.若
,
,
在一条直线上,则
与
的数量关系是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/1/a4c1e81a-e426-4f8d-aae8-a0d9f317b651.png?resizew=158)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ef0b1a2669a09f05bd4dc2496f706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b69d40b75d582c4b8ffa2369af1d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/1/a4c1e81a-e426-4f8d-aae8-a0d9f317b651.png?resizew=158)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次