满分5 >
初中数学试题 >
(2009•凉山州)已知△ABC∽△A′B′C′且S△ABC:S△A′B′C′=...
(2009•凉山州)已知△ABC∽△A′B′C′且S△ABC:S△A′B′C′=1:2,则AB:A′B′= .
考点分析:
相关试题推荐
(2009•滨州)如图所示,给出下列条件:①∠B=∠ACD;②∠ADC=∠ACB;③
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548008_ST/0.png)
;④AC
2=AD•AB.其中单独能够判定△ABC∽△ACD的个数为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548008_ST/images1.png)
A.1
B.2
C.3
D.4
查看答案
(2009•滨州)从上面看如图所示的几何体,得到的图形是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548007_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548007_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548007_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548007_ST/images3.png)
D.
查看答案
(2009•南充)某物体的展开图如图,它的左视图为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548006_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548006_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548006_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548006_ST/images3.png)
D.
查看答案
(2009•绵阳)如图中的正五棱柱的左视图应为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548005_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548005_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548005_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548005_ST/images3.png)
D.
查看答案
(2009•眉山)在一仓库里堆放着若干个相同的正方体货箱,仓库管理员将这堆货箱的三视图画了出来,如图所示,则这堆正方体货箱共有( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230808678354893/SYS201310212308086783548004_ST/images0.png)
A.9箱
B.10箱
C.11箱
D.12箱
查看答案