∴∠B=∠EDF,
在△ABC与△DEF中,
{AB=DF∠
I'm Lucy. I have a happy family. There are four people in my family. My birthday is on January 1st. It's New Year's Day, too. My family and I will have a big dinner on that day. I have a little brother. He is four years old. His birthday is in winter. It's very cold but we can make a snowman. My mother's birthday is in March. My father's birthday is in March,too. We can plant trees and fly kites.
下列图形中,既是轴对称图形又是中心对称图形的是( )
在全国中小学生安全教育日主题活动到来之际,学校组织同学们进行了安全知识测试活动。在下列行为中,对我们的安全构成威胁的有( )
①在雷雨天气时拨打手机,告诉父母自己所在的位置 ②独自一人走偏僻的小路
③面对歹徒的行凶,机智灵活,寻找时机报警 ④搭陌生的便车