如图,四边形
是矩形,
,
,点P是边
上一点(不与点A,D重合),连接
,
.点M,N分别是
,
的中点连接
,
,
,点E在边
上,
,则
的最小值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/9/391c7257-d872-401d-a013-3d44820fe98f.png?resizew=133)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30513ea48bc1ef3ae78adac83d894f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d260c4df7b0dc180af6980d21f3371.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30513ea48bc1ef3ae78adac83d894f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d260c4df7b0dc180af6980d21f3371.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa29fe6cd9eb51c184f6299d437375cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1165830b314a0dab65ea267e82bd3f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967e9a89e4b6db4bdd7108d5f7af625d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff83f095acd7bb05af19588e40ee7db1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf7f5422a02aed24437295a01b11df0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/9/391c7257-d872-401d-a013-3d44820fe98f.png?resizew=133)
A.2 | B.![]() | C.3 | D.4 |
更新时间:2024-05-09 20:32:30
|
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【推荐1】正方形ABCD与正方形AEFG如图所示,AB=5,AG=4.现将正方形AEFG绕点A旋转一周. 在旋转过程中,当∠CBG最小时,点F到AB边的距离为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/16/3bdb68e0-2a9a-4a00-9af2-9d4989174ee3.png?resizew=205)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,等腰
的底边
长为4,面积为12,腰
的垂直平分线
分别交边
于点
,若点D是的
中点,点M为线段
上一动点,当
的周长最小时,
长为()
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/14/f29a0ffc-a8c8-4040-bdcc-fe7f7eb87193.png?resizew=155)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07db7d83c3f6bcd69a2850df43e48b5d.png)
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A.1 | B.3 | C.![]() | D.![]() |
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名校
【推荐1】在锐角
中,
,
,
为高,F是
的中点,连接
,
,
.有下列结论:①
;②
是等边三角形;③
;④
与四边形
的面积比是
.其中正确的结论是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/13/9469cde2-b72e-44da-b594-ff983b5666ac.png?resizew=147)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e31c4063c7ebda0e896b22ca23c13ad6.png)
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A.①②③ | B.②③④ | C.①②④ | D.①②③④ |
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【推荐2】如图,
中,
,
平分
交
于点D,
交
于点E,M为
的中点,
交
的延长线于点F,
,
.下列结论:①
;②
;③
;④
;其中结论正确的个数有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/20/68067ad9-0b1e-4c53-b3b2-59813d8f6302.png?resizew=137)
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【推荐1】如图,在矩形
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,点A落在
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您最近一年使用:0次
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【推荐2】如图,在
中,
,
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、
分别在边
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上,且
与
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( ).
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