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怎样能画出标准的正方形
更新时间: 2020-10-05 00:00:00  

推荐拿破仑四等分圆周问题,具体做法:

1、画一个圆,设半径为1;

2、先六等分圆周,这时隔了一个等分点的两个等分点距离;

3、以这个距离为半径,分别以两个相对的等分点为圆心,同向作弧,交于一点;

4、等分圆周,一般尺规作图步骤是这样的:作线段,端点分别为A和B,过A,B作两条垂直于AB的垂线,在垂线上截取即可。

关键词: 怎样 标准 正方形

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