1 . 半径为2的球的表面积为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 如图,边长为2的正方形
中,点
、
分别是边
、
的中点,
、
、
分别沿
、
、
折起,使
、
、
三点重合于点
,若四面体
的四个顶点在同一个球面上,则该球的表面积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ccbf98ff1b1f121ee3aa3dec108ba0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297cd2ccc8db7ee23569710035a73e94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50adb557f4739427bf8478dc15fef88b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab17635a999236e8d2e35017a208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fdb0f5d98c262afe3783b1ac24735f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/308d4797-5903-4c5b-85ff-6916dd9a1ee5.png?resizew=288)
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2019-11-10更新
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4卷引用:专题4.5 简单几何体【压轴题型专项训练】-2020-2021学年高二数学下学期期末专项复习(沪教版)
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