如图,在
中,
,
,将
绕点
顺时针旋转,使点
落在
边上的点
处,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386cda9f96731510d52ec18199e18286.png)
___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a355958abf7dc0f2eb949584cb87907b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e80ede628ce123075c424d4c9fc6b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386cda9f96731510d52ec18199e18286.png)
![](https://img.xkw.com/dksih/QBM/2019/5/7/2198459520565248/2198547983097856/STEM/36496462c47c4194a5aaaf59ff7534b6.png?resizew=159)
更新时间:2019-05-26 22:27:13
|
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填空题
|
容易
(0.94)
【推荐1】如图,已知
,把一块含30°角的直角三角尺按如图所示的方式摆放,边BC在直线
上,将
绕点C顺时针旋转50°,则
的度数为_________ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b69d40b75d582c4b8ffa2369af1d41.png)
![](https://img.xkw.com/dksih/QBM/2021/1/10/2633012678246400/2639641041084416/STEM/a09de53b-2517-4c37-ae0f-b62af24d6fe9.png)
您最近一年使用:0次
填空题
|
容易
(0.94)
【推荐2】在ΔABC中,AB=5,AC=4,BC=3,将ΔABC绕点B旋转,使点C落在直线AB上,此时点A的对应为A1,则AA1=_______________ .
您最近一年使用:0次