如图,在扇形
中,
,半径
,
是
的中点,过点
作
,交
于点
,则阴影部分的面积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/571f8dfb1eb003438f27bab2324140ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1eb76fe74cba30f7cbcde349ba80da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11f16e77b039842ae40a4b04c527655a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d720208b4cd39a3473c141a4171dcc7.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/16/92c7923f-ba3a-45a5-813c-70691bc2accb.png?resizew=141)
更新时间:2023-04-13 08:33:52
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