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在中考数学试卷中,考查圆有关的知识的问题是每年必考内容之一.如判断已知直线是圆的切线,求证四点共圆等类型的问题,常常备受命题者青睐,常考常新.2016年全国高考数学试卷中有两道这样好的试题,运用我们初中所学的知识,同学们能顺利解决,分享如下,供同学们学习与参考!试题一(2016年全国高考新课标I数学理科卷第22题)如图1所示,△AOB是
In the math test paper, exam questions related to the circle of knowledge is one of the necessary examinations .As judge the known straight line is a tangent of the circle, verify the four points of a total of other types of problems, often favored by the proponents, often test Often new 2016 national college entrance examination mathematics papers have two such good questions, using our knowledge of junior high school, students can successfully solve and share the following for students to learn and reference! Curriculum standard mathematics science volume I 22) As shown in Figure 1, △ AOB is