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n条直线相交有几个同位角
更新时间: 2020-09-25 00:00:00  

n条直线相交,

最多有1个交点;

最多有n(n-1)除以2个交点;对顶角有n(n-1)对;邻补角有2n(n-1)对。

n条直线相交于一点没有内错角,有对顶角。2条直线相交于一点有2对对顶角,n条直线相交于一点,可分解成n(n-1)除以2个2条直线相交于一点的基本图形,n条直线相交于一点,有n(n-1)对对顶角。

关键词: 直线 相交 同位角

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