如图,在锐角
中,
,AE是中线,BF和CD是高则下列结论中,正确的是_________ (填序号).
![](https://img.xkw.com/dksih/QBM/2022/1/1/2892137596248064/2919063173464064/STEM/bfacdb306eb84cfc92d291145e1d3627.png?resizew=161)
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9f2415d582cc5522eab5d12e827870.png)
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab93e9390e51791d79e1f2dddb51de4c.png)
③
是等边三角形
④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fdd2a3642716fcf5100011eb3ec88.png)
![](https://img.xkw.com/dksih/QBM/2022/1/1/2892137596248064/2919063173464064/STEM/bfacdb306eb84cfc92d291145e1d3627.png?resizew=161)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9f2415d582cc5522eab5d12e827870.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab93e9390e51791d79e1f2dddb51de4c.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d1666bbe7974a8221249232ff8ca1d.png)
更新时间:2022-02-18 14:32:08
|
相似题推荐
填空题
|
适中
(0.65)
【推荐1】如图,四边形ABCD为⊙O的内接四边形,点E在DA的延长线上,已知∠BCD=110°,则∠BAE=_______ °.
![](https://img.xkw.com/dksih/QBM/2019/1/9/2115058874818560/2115965385179138/STEM/622c5a474a6843b8afbd0e867e091bec.png?resizew=90)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,在⊙O的内接四边形ABCD中,AB=AD,∠C=110°,则∠ABD=_____ °.
![](https://img.xkw.com/dksih/QBM/2018/11/16/2076691093266432/2083227592171520/STEM/86e7b5036ebc42f499a8b6b367a58763.png?resizew=107)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
【推荐1】在矩形
中,点
在边
上,且
,连接
,将
沿
折叠,点
的对应点
恰好落在矩形
的边上.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ca90e8a784f990c4097eec9219908d.png)
__________ .
![](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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128e3d90d330f189f0ba4bdea187749a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5d54dfb9237412a7c1c00658830de6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ca90e8a784f990c4097eec9219908d.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
【推荐2】如图,在矩形
中,
,
,E点为
边延长线一点,且
.连接
交边
于点F,过点D作
于点H,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e09660e8bff0beac4eb769f8145e94b.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a0268d04b9dea7629af27af9a0285a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344067523ee04f5cc546978ca0116e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e09660e8bff0beac4eb769f8145e94b.png)
您最近一年使用:0次