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与圆相关的题目经常出现图形的形状、大小和位置关系不确定的情况,在解答时需要进行分类讨论.现列举几例分析,供你参考.一、圆周角问题
Problems related to circles are often undefined in the shape, size, and position relationships of the graphs. It is necessary to discuss them in class when answering. Here are a few examples for your reference.