如图,在等边△ABC中,BD平分∠ABC交AC于点D,过点D作DE⊥BC于点E,且CE=2,则AB的长为( )
![](https://img.xkw.com/dksih/QBM/2017/12/20/1842574548566016/1844903251279872/STEM/4480d7dd9be241ad9d0143cb812826b2.png?resizew=112)
![](https://img.xkw.com/dksih/QBM/2017/12/20/1842574548566016/1844903251279872/STEM/4480d7dd9be241ad9d0143cb812826b2.png?resizew=112)
A.8 | B.4 | C.6 | D.7.5 |
更新时间:2017-12-23 23:28:11
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,
是
的直径,若
,
,则
的半径等于()
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/6/8b738823-209d-4af7-9965-2dfb53c339f9.png?resizew=123)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d4d00b86b2f067b902baf6e52f0faab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/6/8b738823-209d-4af7-9965-2dfb53c339f9.png?resizew=123)
A.4 | B.5 | C.2 | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图,在
中,
,
,
,点H,G分别是边
,
上的动点,连接
,
,点E为
的中点,点F为
的中点,连接
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e459e24a3c880c0aaa155e56a8dde9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b929269c53a44907dba8ee298a0a522.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39addc1173a458af87ed5c5e3f06466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
A.2 | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
真题
名校
【推荐1】下列命题正确的是( )
A.圆内接四边形的对角互补 | B.平行四边形的对角线相等 |
C.菱形的四个角都相等 | D.等边三角形是中心对称图形 |
您最近一年使用:0次
单选题
|
适中
(0.65)
真题
名校
【推荐2】如图,以等边三角形ABC的BC边为直径画半圆,分别交AB、AC于点E、D,DF是圆的切线,过点F作BC的垂线交BC于点G.若AF的长为2,则FG的长为
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/c00f5983-76f3-4129-bcbf-8627813a7dfd.png?resizew=173)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/c00f5983-76f3-4129-bcbf-8627813a7dfd.png?resizew=173)
A.4 | B.![]() | C.6 | D.![]() |
您最近一年使用:0次