如图,△ABC中,∠ABC=∠ACB=75°,将△ABC绕点C旋转,得到△DEC,点A的对应点D在BC的延长线上,则旋转方向和旋转角可能为( )
A.逆时针,30° | B.逆时针,105° | C.顺时针,30° | D.顺时针,105° |
更新时间:2022-06-09 11:05:57
|
相似题推荐
单选题
|
较易
(0.85)
【推荐1】如图,直线AB、CD相交于点O,∠BOE=90°,OF平分∠AOE,∠1=15°30′,则下列结论不正确的是( )
![](https://img.xkw.com/dksih/QBM/2019/3/31/2172242383970304/2177099691859968/STEM/f8ca0a73776741b4a7cf6b3bd70825b0.png?resizew=152)
![](https://img.xkw.com/dksih/QBM/2019/3/31/2172242383970304/2177099691859968/STEM/f8ca0a73776741b4a7cf6b3bd70825b0.png?resizew=152)
A.∠2=45° | B.∠1=∠3 |
C.∠AOD+∠1=180° | D.∠EOD=75°30' |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,
,
,点
,
,
在同一直线上,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/9/9ad3467e-72a6-448e-b951-62d19e34ac8b.png?resizew=118)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0edf39a89eaae12c7ed0f7c1b2003425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60096d11a222426d712390d3aad75ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651765d16c8f6415d7dc63ff6f0da6fa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/9/9ad3467e-72a6-448e-b951-62d19e34ac8b.png?resizew=118)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐1】如图,在等腰
,
,点
为
内一点,且
,若
长为6,则
的面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/ac6d5cf9-c8f5-42ca-a3b2-a00c4a008781.png?resizew=146)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587458141d890533c0c32aa249a27ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/ac6d5cf9-c8f5-42ca-a3b2-a00c4a008781.png?resizew=146)
A.12 | B.16 | C.18 | D.24 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】如图,将三角板
(其中
,
)绕点
顺时针旋转得到
,点
在同一条直线上,那么旋转角等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30d41255d37fab193323961d79fc94f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b96715995549e5e48494101570bb3bb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a207ae4bbecb2069f09077c0a94f50f9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,菱形
的对角线
、
交于点O,
,
,将
绕着点C旋转
得到
,连接
,则
的长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71e6ea7333dbc78d0a7b9bc3892f940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7ffcd1925a2b1259221c6a476152f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe639eab78eafd2d40ea70aa5d3f21d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06564b06732834671a6fd72502717a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943712a5e96b16cc15d775cc4687237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943712a5e96b16cc15d775cc4687237e.png)
A.3 | B.4 | C.5 | D.7 |
您最近一年使用:0次