如图,在
中,
,
,
,
,那么
的大小等于______________ 度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc382c4f315de17f293d3d273626ade2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421291381be28da4bd16560fd383b4a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6cc4306f4c4d2d904ee14f9c4887075.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/6/50ca18f2-956d-4c96-b305-1868b34e9d3f.png?resizew=121)
更新时间:2023-11-06 08:42:03
|
相似题推荐
填空题
|
适中
(0.65)
【推荐1】如图,光线a照射到平面镜CD上,然后在平面镜AB和CD之间来回反射,这时光线的入射角等于反射角,即∠1=∠6,∠5=∠3,∠2=∠4.若已知∠1=55°,∠3=75°,那么∠2等于_________ °.
![](https://img.xkw.com/dksih/QBM/2019/5/5/2197119698288640/2197615889539073/STEM/67f8a4781ee44cec90dd8f52b87a472f.png?resizew=134)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】将一块等腰直角三角板与一把直尺如图放置,若∠1=60°,则∠2的大小为__________
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/73d309a2-d66e-4b99-989e-5dadd2b3360f.jpg?resizew=125)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】如图,将两根钢条
,
的中点
连在一起,使
,
可以绕点
自由转动,就做成一个测量工件,则
的长等于内槽宽
,则
的判定方法是________________ .(用字母表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2148f10abc53d34a4fbfe613a35f3ec.png)
![](https://img.xkw.com/dksih/QBM/2019/11/8/2329475672522752/2330392080015360/STEM/430aaa4c354a4366a6fc938a4fa659c2.png?resizew=134)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,
,若不添加辅助线并利用“
”判定
,则可以添加的条件是_____ (填写一个条件即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024dc2ccbbe321774df5d44e8785b203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5a290f047f50481318d040c604d72f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda2b7d37641a3f3365b33b380a40a96.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/24/2e821a5e-14b6-4f16-8b4d-c61ac64f3144.png?resizew=120)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】如图,O是矩形ABCD对角线的交点,AE平分∠BAD,∠OAE=15°,则∠ADB的度数为__ .
![](https://img.xkw.com/dksih/QBM/2020/7/21/2510594929180672/2511167752929281/STEM/51a802ca48ca4d11bf18f163990e655b.png?resizew=168)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,在
中,
,D是
的中点,将
绕点A逆时针旋转
得
,点D,C分别对应点E,F,连接
,若
,则
的度数为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258c6eb3d77424310cf6138785b8f307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7724af2445c723d1392aed54d210ed3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
您最近一年使用:0次