解三角形问题是高考的必考内容之一,也是与生活实际联系颇为紧密的教学模块,高考也考过解决实际问题.但2015年的高考中,出现了以四边形为题干的命题形式考察解三角形问题,实为一种创新,能够很好的考察学生的划归能力与创新力能.本文以2015年的两道考题为例,探究割补法在解四边形问题中的应用,给出解决该类问题的两种思路.例1(2015年四川卷19题)如图1,A、B、 Triangle problem is the college entrance examination one of the necessary examinations, but also with the actual contact with life is quite close to the teaching module, the college entrance examination has also been tested to solve practical problems. However, in 2015 college entrance examination, appeared in the form of a quadrilateral proposition Solving the triangle problem is actually an innovation that can examine students’ ability to classify and innovate well.This paper takes the two exam questions in 2015 as an example to explore the application of the mowing method in solving quadrangles, Two ideas to solve such problems. Example 1 (2015 Sichuan Volume 19 title) as shown in Figure 1, A, B,