满分5 >
初中数学试题 >
如图,在正方形ABCD的外侧,作等边△ADE,BE、CE分别交AD于G、H,设△...
如图,在正方形ABCD的外侧,作等边△ADE,BE、CE分别交AD于G、H,设△CDH、△GHE的面积分别为S
1、S
2,则( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192912223362294/SYS201311011929122233622009_ST/images0.png)
A.3S
1=2S
2
B.2S
1=3S
2C.2S
1=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192912223362294/SYS201311011929122233622009_ST/0.png)
S
2
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192912223362294/SYS201311011929122233622009_ST/1.png)
S
1=2S
2
考点分析:
相关试题推荐
某几何体的三视图如下所示,则该几何体可以是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192912223362294/SYS201311011929122233622008_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192912223362294/SYS201311011929122233622008_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192912223362294/SYS201311011929122233622008_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192912223362294/SYS201311011929122233622008_ST/images3.png)
D.
查看答案
若关于x的多项式x
2-px-6含有因式x-2,则实数p的值为( )
A.-5
B.5
C.-1
D.1
查看答案
如图,已知∠1=∠2=∠3=55°,则∠4的度数是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192912223362294/SYS201311011929122233622006_ST/images0.png)
A.110°
B.115°
C.120°
D.125°
查看答案
“5•12”汶川大地震使绵阳也遭受了重大损失,社会各界踊跃捐助.据新华社讯:截止到6月22日12时,我国收到社会各界捐款、捐物共计467.4亿元.把467.4亿元用科学记数法表示为( )
A.4.674×10
11元
B.4.674×10
10元
C.4.674×10
9元
D.4.674×10
8元
查看答案
2008年8月8日,五环会旗将在“鸟巢”高高飘扬,会旗上的五环(如图)间的位置关系有( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192912223362294/SYS201311011929122233622004_ST/images0.png)
A.相交或相切
B.相交或内含
C.相交或相离
D.相切或相离
查看答案