在中考或数学竞赛中,经常出现确定凸多边形边数的问题.解答此类问题时,许多同学试图通过建立方程来求解,往往难以奏效.本文例析这类问题的常见解法,供同学们参考. In the high school entrance exams or math competitions, there are often problems with determining the number of convex polygon edges. When answering such questions, many students try to solve the problems by establishing equations. It is often difficult to be effective. This article analyzes common solutions to these problems and provides reference for students. .