满分5 >
初中数学试题 >
如图,点B在AE上,∠CAB=∠DAB,要使△ABC≌△ABD,可补充的一个条件...
如图,点B在AE上,∠CAB=∠DAB,要使△ABC≌△ABD,可补充的一个条件是:
.(答案不唯一,写一个即可)
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000546893467240/SYS201311030005468934672011_ST/images0.png)
考点分析:
相关试题推荐
有六个等圆按甲,乙,丙三种形式摆放,使相邻两圆相互外切,如图所示,它们的连心线分别构成正六边形,平行四边形和正三角形,将圆心连线外侧的6个扇形(阴影部分)的面积之和依次记为S,P,Q,则( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000546893467240/SYS201311030005468934672009_ST/images0.png)
A.S>P>Q
B.S>Q>P
C.S>P且S=Q
D.S=P=Q
查看答案
直线y=ax+b与抛物线y=ax
2+bx在同一平面直角坐标系中的图象大致为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000546893467240/SYS201311030005468934672008_ST/images0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000546893467240/SYS201311030005468934672008_ST/images1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000546893467240/SYS201311030005468934672008_ST/images2.png)
D.
查看答案
如图,在直角梯形ABCD中,AB⊥BC,AD=1,BC=3,CD=4,EF为梯形的中位线,DH为梯形的高,则下列结论:①∠BCD=60°;②四边形EHCF为菱形;③S
△BEH=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000546893467240/SYS201311030005468934672007_ST/0.png)
S
△CEH;④以AB为直径的圆与CD相切于点F,其中正确结论的个数为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000546893467240/SYS201311030005468934672007_ST/images1.png)
A.4
B.3
C.2
D.1
查看答案
如图,在△ABC中,AB=AC,∠A=30°,DE垂直平分AC,则∠BCD的度数为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000546893467240/SYS201311030005468934672006_ST/images0.png)
A.80°
B.75°
C.65°
D.45°
查看答案