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动点型问题是近年来各级各类考试的热点.它集多个知识点于一身,综合性高,探究性强.解决这类问题的主要思路是:用运动与变化的眼光去观察、研究图形,把握图形运动的全过程,抓住其中的等量关系,特别关注一些不变量、不变关系和特殊位置.下面以等腰三角形为载体,探究一下动点型问题的解法,以期对同学们的学习有所帮助.
Moving point type problem is all kinds of exams in recent years, the focus of hot.It combines multiple points of knowledge in one, comprehensive high, strong inquiry.To solve these problems the main idea is: to observe with movement and change of vision, Research graphics, grasp the whole process of graphics movement, seize the equivalent relations among them, pay special attention to some invariant, invariant relations and special locations.With the isosceles triangle as the carrier, explore the solution of moving point type problem, Students learn to help.