本文所写的共边三角形的性质与应用,是经过学生平时的探讨和研究,不断的总结和发现,形成的共同认识.现集结成文,略作梳理,供大家参考.一、共边三角形的特征(一)定义:如果两个三角形有一条公共边,称为共边三角形对,简称共边三角形.(二)特点:共边三角形因是在两个三角形中,并且有一条公共边,因而这个公共边可作为“桥梁”使用.(三)常见类型:基本类型有四种,特殊类型有两 The nature and application of the co-triangles described in this article is a common understanding of the common triangles after students’ normal exploration and research, continuous summary and discovery. Characteristics (a) Definition: If two triangles have a common side, called the common triangle, referred to as the common triangle (b) Features: Common triangle because it is in the two triangles, and there is a common side, and thus This public side can be used as a “bridge.” (3) Common types: There are four basic types, two special types