一根钢管放在
形架内,横截面如图所示,钢管的半径是6,若
,则阴影部分的面积是( )
![](https://img.xkw.com/dksih/QBM/2022/5/16/2980684552888320/2982173677453312/STEM/ca77ee0b-7e6e-4357-af37-0faee5b5fd83.png?resizew=127)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26fdd8e57562ba94e10e7f1d770826d0.png)
![](https://img.xkw.com/dksih/QBM/2022/5/16/2980684552888320/2982173677453312/STEM/ca77ee0b-7e6e-4357-af37-0faee5b5fd83.png?resizew=127)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-05-18 18:30:47
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【推荐1】如图,
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【推荐2】如图,△ABC的三边分别切⊙O于点D,E,F,若AB=7,BC=8,AC=9,则BE、CF各为( )
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【推荐1】如图,扇形
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【推荐2】如图,C为⊙O上一点,
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【推荐2】如图,已知AT切⊙O于点T,点B在⊙O上,且
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①当
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