如图,在
中,
.点D在
上且
.连接
,线段
绕点A顺时针旋转
得到线段
,连接
,
.则
的面积是 __ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34d842f01bafa3bb5eb8cd75e0006824.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
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更新时间:2024-04-12 19:41:48
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