如图,已知正方体
,
分别为所在棱的中点,截面
和截面
将正方体分成三部分,则这三部分体积之比为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/7/5bf8ff07-1eb8-40b3-a925-11db4d9f3fb3.png?resizew=169)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ed39523417ebb7a9c24e5b7e437b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ecf312f7ce09dd571a4cf678bfb4d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9539f8fb13345b449274b67bbda995db.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/7/5bf8ff07-1eb8-40b3-a925-11db4d9f3fb3.png?resizew=169)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-09-09 07:40:51
|
【知识点】 锥体体积的有关计算
相似题推荐
单选题
|
适中
(0.65)
解题方法
【推荐1】已知圆锥的顶点为
,底面圆心为
,高是底面半径
的
倍,点
是底面圆周上的两点,若
是等腰直角三角形,则
到平面
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e49817548cb45b3d1e58570644c6fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9c9cfa597b444b5c9dbae7a825a695.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
解题方法
【推荐2】如图是一个空间几何体的三视图,则它的体积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/0040522e-f294-4955-82b9-6a374494830d.png?resizew=172)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/0040522e-f294-4955-82b9-6a374494830d.png?resizew=172)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次