满分5 >
高中数学试题 >
某几何体的三视图如图所示,则该几何体的体积等于( ) A.π B.π C.π+8...
某几何体的三视图如图所示,则该几何体的体积等于( )
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102807464981722/SYS201311031028074649817006_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102807464981722/SYS201311031028074649817006_ST/0.png)
π
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102807464981722/SYS201311031028074649817006_ST/1.png)
π
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102807464981722/SYS201311031028074649817006_ST/2.png)
π+8
D.12π
考点分析:
相关试题推荐
方程x
2+y
2-x+y+m=0表示一个圆,则m的取值范围是( )
A.m≤2
B.m<2
C.m<
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102807464981722/SYS201311031028074649817005_ST/0.png)
D.
查看答案
双曲线
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102807464981722/SYS201311031028074649817004_ST/0.png)
的焦点坐标是( )
A.(0,±1)
B.(±1,0)
C.(
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102807464981722/SYS201311031028074649817004_ST/1.png)
)
D.(
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102807464981722/SYS201311031028074649817004_ST/2.png)
)
查看答案
已知直线y=x+1上两点P,Q的横坐标分别为-1、2,则|PQ|为( )
A.3
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102807464981722/SYS201311031028074649817003_ST/0.png)
B.3
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102807464981722/SYS201311031028074649817003_ST/1.png)
D.
查看答案
“x
2>x”是“x>1”的( )
A.充分而不必要条件
B.必要而不充分条件
C.充分必要条件
D.既不充分也不必要条件
查看答案
在空间直角坐标系中,点P(1,2,3)关于平面xoz的对称点坐标为( )
A.(-1,2,3)
B.(-1,-2,3)
C.(1,-2,3)
D.(1,2,-3)
查看答案