1 . 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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2卷引用:内蒙古自治区呼和浩特市内蒙古师范大学附属中学2022-2023学年高一下学期期末数学试题
2 . 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.![]() |
您最近一年使用:0次
2022-11-20更新
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6卷引用:内蒙古赤峰市八校2023届高三第三次统一模拟考试联考理科数学试题