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怎样用尺规作直角三角形
更新时间: 2020-07-06 00:00:00  

先画一条直线在任取一点O,以该点为圆心,任意长为半径画弧分别以弧与直线的2个交点为圆心,适当半径画弧,两弧交于点A连接OA得到直角,任意连接斜边,就可以得到一个直角三角形。

关键词: 怎样 直角 三角形

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