求圆中阴影图形的面积问题是中考的重要内容之一,这些题目除了考查基础知识之外,还重视对数学方法的考查,对数学思想的理解和应用。在求阴影部分面积问题时,初看起来往往令人费解,但是通过观察和分析图形,学会分解和组合图形,明确要计算图形的面积,就可以通过哪些图形的和或差得到。解 Seeking the shadow area in the circle is one of the important content of the senior high school entrance examination, these topics in addition to examining the basics, but also attach importance to the mathematical method of examination, understanding and application of mathematical ideas. When looking for shaded area problems, it often seems puzzling at first glance, but by looking at and analyzing the graph, you learn to decompose and assemble the graph, and you know exactly which graph the sum or difference can be obtained by calculating the area of ​​the graph. solution