Congruent Triangles(1)  

出　　处：《中学生数学（初中版）》2010年第2期F0003-F0003,共1页Mathematics

摘　　要：Sometimes triangles may look congruent when they are not .Also ,we are not always told the length of all sides or the sizes of all the angles .It isi mportant to know just how much information needs to be given in order to be able to say that twoSometimes trianglesmay look congruent when they are not. Also, we are not always told the length of all sides or the sizes of all the angles. It is important to know just how much information needs to be given in order to be able to say that two triangles are congruent.

关 键 词：中学 英语 课外阅读 阅读材料 

分 类 号：G63[文化科学—教育学] G633.41