如图,在矩形中,点E是
边上一点,连接
,将
沿
所在直线翻折得到
,
与
交于F,点N为
中点,射线
交
边于点G,连接
,若
,
,
,则
长为
更新时间:2024-03-19 08:56:35
|
相似题推荐
填空题
|
较难
(0.4)
【推荐1】图,在边长为1的正方形
中,
,
是
边上的两个动点,且
,连接
,
,
,
与
交于点
,连接
交
于点
,连接
.现给出以下结论:①
;②
平分
;③
;④线段
的最小值是
.其中正确的是______ .(写出所有正确结论的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2bb57997a95a28a5ba9a060f73eb7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ddb2424153ce6701cdb48415814381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3064b70f24e9bbcab76e0dc61274b9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7d9011ed82f5da6d4ae7797ca9b832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b2d470be3031a97531637a93ae78c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029d393bb07b7140905b85f550519de4.png)
![](https://img.xkw.com/dksih/QBM/2022/4/26/2972854652018688/2984302105436160/STEM/00afdec8-99f3-4a84-ad4b-4cc286f8393e.png?resizew=138)
您最近一年使用:0次
填空题
|
较难
(0.4)
名校
解题方法
【推荐2】如图,以△ABC的边AC、BC为边向外作正方形ACDE和正方形BCGF,连接AG、BD相交于点O,连接CO、DG,取AB中点M,连接MC并延长交DG于点N.下列结论:①AG=BD;②MN⊥DG;③CO平分∠DCG;④S△ABC=S△CDG;⑤∠AOC=45°.其中正确的结论有______________ (填写编号).
![](https://img.xkw.com/dksih/QBM/2021/6/20/2746995870613504/2799395440222208/STEM/07727739-8a98-46e5-9b51-a250b740c489.png)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐1】如图,菱形ABCD的对角线交于点E,边CD交y轴正半轴于点F,顶点A,D分别在x轴的正、负半轴上,反比例函数y=
的图象经过C,E两点,过点E作EG⊥OA于点G,若CF=2DF,DG﹣AG=3,则k的值是 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/b08bbfa5-0706-48ed-ba7f-60e7ad30ccf7.png?resizew=168)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐2】如图,四边形ABDC中,∠ABD=120°,AB⊥AC,BD⊥CD,AB=4,CD=4
,则该四边形的面积是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐1】如图所示,在矩形ABCD中,AB=6,AD=4,点E是线段AB的中点,点F是直线AD上的动点,连接EF,把△AEF沿EF折叠,点A的对应点为点A′.连接A′C,则A′C长度的最小值是_____ .
![](https://img.xkw.com/dksih/QBM/2021/4/10/2696580939497472/2697441524645888/STEM/088dea535fcb4372a1b13fa59602fd0e.png?resizew=196)
您最近一年使用:0次
填空题
|
较难
(0.4)
名校
【推荐2】如图,矩形ABCD的边AB、BC是一元二次方程
的两个解(其中
),点E在BC边上,连接AE,把
沿AE折叠,点B落在点
处.当
为直角三角形时,则
的长是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dac77366c746161a381e0589d63e451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c4e3cf5aa65a81a357c97a6b7ee5d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1777baab71e2fa644a8001b6f4a74b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/020ebe1219437129358b986eb9e70bbf.png)
您最近一年使用:0次
填空题
|
较难
(0.4)
名校
【推荐1】如图,将两块三角板OAB(∠OAB=45°)和三角板OCD(∠OCD=30°)放置在矩形BCEF中,直角顶点O重合,点A、D在EF边上,AB=6.
![](https://img.xkw.com/dksih/QBM/2022/5/24/2986552898363392/2988217235685376/STEM/b50ca05c-c4f8-44b4-90de-4c764ca46778.png?resizew=200)
(1)若点O到BC的距离为
,则点O到EF的距离为_________ ;
(2)若BC=3AD,则△OCD外接圆的半径为_________ .
![](https://img.xkw.com/dksih/QBM/2022/5/24/2986552898363392/2988217235685376/STEM/b50ca05c-c4f8-44b4-90de-4c764ca46778.png?resizew=200)
(1)若点O到BC的距离为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
(2)若BC=3AD,则△OCD外接圆的半径为
您最近一年使用:0次
填空题
|
较难
(0.4)
真题
【推荐2】如图,在平面直角坐标系中,
的顶点A在直线
上,顶点B在x轴上,
垂直
轴,且
,顶点
在直线
上,
;过点
作直线
的垂线,垂足为
,交x轴于
,过点
作
垂直x轴,交
于点
,连接
,得到第一个
;过点
作直线
的垂线,垂足为
,交x轴于
,过点
作
垂直x轴,交
于点
,连接
,得到第二个
;如此下去,……,则
的面积是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2673918137c8a5f6f1c87cf88bd3ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6600714f00f5774fad7c8684847249b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb66a66752e66748e0b59bd0492b3f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4602c9d92983300956d79dce6302e08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34876d748f30fa4fc2eb6a686b5ff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d77f02e8eb6827be9c42cdd153ccddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b8bc1dc8c0bc9b12b58d53db8b2cea2.png)
您最近一年使用:0次