高考考生在考场上能否顺利解决三角形问题,关键在于是否理清了三角形中边与角的关系。本文以2013年高考部分三角形题为例,将三角形问题中存在的边角关系,归类为正弦定理、余弦定理、面积问题适用的边角关系以及三角关系等四个问题,以帮助考生复习三角形内容,提高解题技巧。 College entrance examination candidates in the examination room can successfully solve the triangle problem, the key is whether to clarify the triangle in the corner and the relationship. This paper, taking the college entrance examination part of the triangle in 2013 as an example, classifies the corner relations existing in the triangle problem into four problems: sine, cosine, corner and corner, and so on to help students review the triangle Content, improve problem solving skills.