名校
解题方法
1 . 如图,扇形
中,
,
,将扇形绕
所在直线旋转一周所得几何体的表面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/8/be120a50-a8d0-4728-9e57-99146eacc295.png?resizew=160)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52705567101a48893de582656ef41527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/8/be120a50-a8d0-4728-9e57-99146eacc295.png?resizew=160)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-04-03更新
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7卷引用:新疆乌鲁木齐市第四中学2021-2022学年高一下学期期中阶段考试数学试题