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在近几年的中考数学试题中出现一些无刻度尺作图的试题,这些题目为作图题赋予新的活力,我们在复习中关注了这个问题,把它整理成一个专题,供同行参考.一、格点中的作图题例1(2014年天津市)如图1,将△ABC放在每个小正方形的边长为1的网格中,点A、B、C均落在格点上.
In recent years, senior high school entrance examination math exams have some non-scale charting questions, these topics for the new topic to give a new vitality, we focused on this issue in the review, put it into a topic for peer reference. First, the plot in the grid Example 1 (Tianjin, 2014) As shown in Figure 1, △ ABC on each small square side of the grid 1, points A, B, C are in the grid Point.