满分5 >
初中数学试题 >
(2011•东营)一个几何体的三视图如下图所示,那么这个几何体是( ) A. B...
(2011•东营)一个几何体的三视图如下图所示,那么这个几何体是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110423216607818/SYS201310191104232166078010_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110423216607818/SYS201310191104232166078010_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110423216607818/SYS201310191104232166078010_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110423216607818/SYS201310191104232166078010_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110423216607818/SYS201310191104232166078010_ST/images4.png)
考点分析:
相关试题推荐
(2007•株洲)二元一次方程组
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110423216607818/SYS201310191104232166078009_ST/0.png)
的解是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110423216607818/SYS201310191104232166078009_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110423216607818/SYS201310191104232166078009_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110423216607818/SYS201310191104232166078009_ST/3.png)
D.
查看答案
(2007•株洲)下列运算中,错误的是( )
A.π
=1
B.2
-1=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110423216607818/SYS201310191104232166078008_ST/0.png)
C.sin30°=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110423216607818/SYS201310191104232166078008_ST/1.png)
D.
查看答案
(2007•株洲)如图,将边长为
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110423216607818/SYS201310191104232166078007_ST/0.png)
的正方形ABCD绕点A逆时针方向旋转30°后得到正方形A′B′C′D′,则图中阴影部分面积为
平方单位.
查看答案
(2010•鞍山)甲、乙两人玩猜数字游戏,先由甲心中任想一个数字,记为a,再由乙猜甲刚才所想数字,把乙所猜数字记为b,且a,b分别取0,1,2,3,若a,b满足|a-b|≤1,则称甲、乙两人“心有灵犀”,现任意找两个玩这个游戏,得出“心有灵犀”的概率为
.
查看答案
(2007•株洲)已知△ABC的三边长分别为6cm、8cm、10cm,则这个三角形的外接圆的面积为
cm
2.(结果用含π的代数式表示)
查看答案