已知等边
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是边
上的动点,将
绕点
逆时针旋转
得到
,点
是
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,点
在边
上运动过程中,
的度数始终保持不变,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/333fedfc49d50d9a4a13d0e40e112a8b.png)
___________ 度.
(2)
的最小值是___________ .
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(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3525ddc5153fada64eaf14e50b536542.png)
更新时间:2024-05-02 08:53:54
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