满分5 >
初中数学试题 >
如图AB∥CD,AB与DE交于点F,∠B=40°,∠D=70°,则∠E= .
如图AB∥CD,AB与DE交于点F,∠B=40°,∠D=70°,则∠E=
.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192901901329606/SYS201311011929019013296011_ST/images0.png)
考点分析:
相关试题推荐
如图,矩形ABCD的对角线BD经过坐标原点,矩形的边分别平行于坐标轴,点C在反比例函数
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192901901329606/SYS201311011929019013296009_ST/0.png)
的图象上.若点A的坐标为(-2,-2),则k的值为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192901901329606/SYS201311011929019013296009_ST/images1.png)
A.1
B.-3
C.4
D.1或-3
查看答案
如图,将边长为
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192901901329606/SYS201311011929019013296008_ST/0.png)
的正方形ABCD沿对角线AC平移,使点A移至线段AC的中点A′处,得新正方形A′B′C′D′,新正方形与原正方形重叠部分(图中阴影部分)的面积是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192901901329606/SYS201311011929019013296008_ST/images1.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192901901329606/SYS201311011929019013296008_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192901901329606/SYS201311011929019013296008_ST/2.png)
C.1
D.
查看答案
如图,在6×4方格纸中,格点三角形甲经过旋转后得到格点三角形乙,则其旋转中心是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192901901329606/SYS201311011929019013296007_ST/images0.png)
A.点M
B.格点N
C.格点P
D.格点Q
查看答案
以下各图均有彼此连接的六个小正方形纸片组成,其中不能折叠成一个正方体的是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192901901329606/SYS201311011929019013296006_ST/images0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192901901329606/SYS201311011929019013296006_ST/images1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192901901329606/SYS201311011929019013296006_ST/images2.png)
D.
查看答案