如图,在正方形
中,点E、F分别在边
、
上,
、
分别交
于点M、N,连接
、
,且
.下列结论:①
,
;②
;③
;④
;⑤图中只有4对相似三角形,其中正确结论的序号是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4c865445dda4a59b6d5cb18fd74404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a3643f9c56b30588d7492981bc9651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8acc4ec4ae39819c790108ba72a1e0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8df5c9bba54641ce3a58d71b47e7bbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b24dfa37067ff455888ebe076eeb1fb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe793d674ac6067a0dab33c37d32a15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4334115dca99f31de1f5accf793828a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/26/4d1fe4a6-9e63-4d4b-8e2c-853e0695be8a.png?resizew=143)
更新时间:2023-05-11 21:02:11
|
相似题推荐
填空题
|
适中
(0.65)
名校
解题方法
【推荐2】如图,
中,点D在
上,
,点E是
的中点,连接
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ec5d678ec42846e1d28301e3bfd4be.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4b9f5af22baab2980cce34f9930150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db53d7920f8654a246469b36fec50102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ec5d678ec42846e1d28301e3bfd4be.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】如图,P为正方形
内一点,从①
;②
,③
三个条件中选出两个作为已知条件,另一个作为结论所组成的命题中,正确命题的个数为 _____ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e4d19bf237a6fca67e0d01a9ddb726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319b1b275befb2dfc896574ab9d8b51b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646d135e77c1ea69390d9e937f88b85f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/17/7b22a5ca-a65b-4ec8-b520-f6e414f58651.png?resizew=158)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
【推荐2】如图所示,直线
经过正方形ABCD的顶点A,分别过顶点B、D作DE⊥
于点E、BF⊥
于点F,若DE=4,BF=3,则EF的长为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/87b22d6a-f2cf-4505-8c06-b07dfab27813.png?resizew=120)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】在直角△ABC中,∠C=90°,∠B=30°,AC=6,点D是CB边上的动点,连接AD,将线段AD顺时针旋转60°,得到线段AP,连接CP,线段CP的最小值是______ .
![](https://img.xkw.com/dksih/QBM/2022/2/7/2911107421020160/2921783674175488/STEM/0a3fe0ed-e754-4e11-b097-e738f35198e6.png?resizew=252)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
【推荐2】如图,在Rt△ABC中,AB=AC,D、E是斜边BC上两点,且∠DAE=45°,将△ADC绕点A顺时针旋转90°后,得到△AFB,连接EF,下列结论:①△AED≌△AEF;②
;③△ABC的面积等于四边形AFBD的面积;④BE2+DC2=DE2;⑤BE=EF﹣DC;其中正确的选项是_____________ (填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/529fd856fc6b3f6ad1cede631cf97b93.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/1c09994f-f5e1-4ab3-887a-41709cc98e3b.png?resizew=172)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
【推荐1】如图,Rt△ABC中,∠C=90°,AC=BC,点D、点E分别在BC、AB上,连接AD、DE,∠ADC=∠BDE,AD=2
,DE=
,则AE=___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://img.xkw.com/dksih/QBM/2021/11/20/2855199074975744/2855861711814656/STEM/55752fc9-0729-4bbd-94eb-47dd3a06f02c.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,菱形ABCD和菱形ECGF的边长分别为2和3,点D在CE上,且∠A=120°,B,C,G三点在同一直线上,则BD与CF的位置关系是_____ ;△BDF的面积是_____ .
![](https://img.xkw.com/dksih/QBM/2020/3/12/2417770830356480/2418140091367424/STEM/dfbc5e75348c484588fca5db1c0a591b.png?resizew=240)
您最近一年使用:0次