如图,
的半径为
,
,则阴影部分的面积是_______ .(结果保留
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
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2023·安徽·模拟预测 查看更多[2]
更新时间:2024-02-12 12:19:25
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【推荐1】如图,在⊙O中,CD是直径,弦AB⊥CD,垂足为E,连接BC,若AB=4
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【推荐2】如图,
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