1 . 祖暅是我国南北朝时期的数学家,著作《缀术》上论及多面体的体积:缘幂势既同,则积不容异——这就是祖暅原理.用现代语言可描述为:夹在两个平行平面之间的两个几何体,被平行于这个两个平面的任意平面所截,如果截得的两个截面的面积总相等,那么这两个几何体的体积相等.在棱长为2的正方体
中,
是
上一点,
于点
,
,点
绕
旋转一周所得圆的面积为_________ (用
表示);将空间四边形
绕
旋转一周所得几何体的体积为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf271d6475f5305bc922677b4cfe28c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b5347307fa3258745446266a1104f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05581d61fac2783cc99b56b3bbc655f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
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4卷引用:内蒙古赤峰市2024届高三上学期1.30模拟理科数学试题
2 . 用斜二测画法画一个水平放置的平面图形的直观图为如图所示,已知
,
,
且
.
(1)求原平面图形
的面积;
(2)将原平面图形
绕
旋转一周,求所形成的空间几何体的表面积和体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9458968b0703e1ae8a6f23386fffba11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd7a4b6a4e3c1e9d2ed50c114b6293c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00e9440f62cf270732c9969a9722fc26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4bbf78d94b124679d35a8c0e7435314.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/14/1ec6e210-9dc4-4213-a767-f20d215c5aad.png?resizew=149)
(1)求原平面图形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)将原平面图形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
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3 . 如图,圆内接四边形
中,
,现将该四边形沿
旋转一周,则旋转形成的几何体的体积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/96ac7564-ee36-485a-b662-fdf87de3a2d8.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a756450f53465bcd9131e53fb90a6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/96ac7564-ee36-485a-b662-fdf87de3a2d8.png?resizew=157)
A.![]() | B.![]() | C.![]() | D.![]() |
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