如图是一个简单多面体的表面展开图(沿图中虚线折叠即可还原),则这个多面体的顶点数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/32641470-045f-4189-be20-4b21b5b3d892.png?resizew=127)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/32641470-045f-4189-be20-4b21b5b3d892.png?resizew=127)
A.6 | B.7 | C.8 | D.9 |
更新时间:2020-01-31 11:20:45
|
相似题推荐
单选题
|
适中
(0.65)
名校
解题方法
【推荐1】已知直三棱柱
中,
,
,
为线段
上的动点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af2626608f61a4cfbb86494bd6df0e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb88a50d8b1ba6b57083f55b32de9a05.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图所示,在棱长为1的正方体
中,
是
上一动点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665df4dcb0eeed3e1fcf28a30818a95c.png)
A.2 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图为一个几何体的三视图,则该几何体中任意两个顶点间的距离的最大值为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/e54d2e62-e339-4764-89ab-fdcbc0fdbf6a.png?resizew=331)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/e54d2e62-e339-4764-89ab-fdcbc0fdbf6a.png?resizew=331)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】多面体欧拉定理是指:若多面体的顶点数为
,面数为
,棱数为
,则满足
. 已知某
面体各面均为五边形,且经过每个顶点的棱数为3,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e74d22956ee787efc6b943aac41c7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
A.6 | B.10 | C.12 | D.20 |
您最近一年使用:0次