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两条线相交有多少个角
更新时间: 2020-10-20 00:00:00  

两条线相交后:

单个角有4个;

两个角组成的角有4个;

三个角组成的大角有3个;

四个角组成的角有1个;

所以总共有12个角。

关键词: 相交 多少

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