有关线段相等的证明题是初中数学平面几何证明题中的常见题型和考查的热点,其证法多样,主要有利用三角形全等的性质、等腰三角形的判定等方法来证明线段相等,下面举例介绍几种常见的证明方法.一、全等三角形法全等三角形法是证明两线段相等的常用方法之一.在证明线段相等时,要注意认真审题,明确题意,并仔细观察图形,若两条线段分别分布在两个不同的三角形中,此时,可以利用这两个三角形全等来证明两条线段相 Proof of the same paragraph on the line is the junior high school mathematics plane geometry proof of the common questions and test hot spots, the testimony of a variety of ways, the main use of the nature of the triangle congruent, isosceles triangle to determine the equivalent line segment, the following An example of several common methods of identification A. First, the congruent triangle method Equal triangle method is to prove that one of two commonly used method of equal line in the same line of the line, pay attention to serious exams, clear questions, and carefully observe the graphics, If two line segments are distributed in two different triangles, then you can use these two triangles to prove that the two line segments