真题
1 . 如图,
为多面体,平面
与平面
垂直,点
在线段
上,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6bab3a28b99fe5d552fd53d42f42101.png)
,△
,△
,△
都是正三角形
(1)证明直线
∥
;
(2)求棱锥F—OBED的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20e38a1b5cfffd43a3405481a1d67cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d70676406f26d339465fe3473c0c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76cf867fa26074a4aaf2453cbca24ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6bab3a28b99fe5d552fd53d42f42101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa16146cb21f11693feffb0876c0795b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820567942aa98b2feaaa017fcb7790df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4932ceed3c11665fa1d39b54eec80bed.png)
(1)证明直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(2)求棱锥F—OBED的体积.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/57e5e82c-9790-4aa6-99f0-0ca7ff250c9c.png?resizew=200)
您最近一年使用:0次
真题
2 . 某几何体的三视图如图所示,该几何体的表面积是_________
![](https://img.xkw.com/dksih/QBM/2012/6/27/1570900224434176/1570900229832704/STEM/097c6ed8b0854bb3b022a08ddf5f8921.png?resizew=264)
您最近一年使用:0次
真题
解题方法
3 . 一个几何体的三视图如图所示,该几何体的表面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/28/efbbecd1-00a6-495f-b4d5-5ba33f4dc552.png?resizew=183)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/28/efbbecd1-00a6-495f-b4d5-5ba33f4dc552.png?resizew=183)
A.280 | B.292 | C.360 | D.372 |
您最近一年使用:0次
2016-11-30更新
|
58次组卷
|
4卷引用:2010年普通高等学校招生全国统一考试(安徽卷)数学试题(理科)