图,在Rt△ABC中,∠C=90°,AB=4,BC=2,弧BE分别与边BC、AC相切于点B、D,则图中阴影部分的面积为______ .
![](https://img.xkw.com/dksih/QBM/2022/5/24/2986375797923840/2988716337676288/STEM/1826412d-61c8-45af-9350-023ca468b38f.png?resizew=199)
更新时间:2022-05-28 00:21:51
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