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数学里的夹角是什么意思
更新时间: 2020-10-11 00:00:00  

1、在空间中两条直线L1,L2相交构成四个角,它们是两对对顶角。为了区别这两对角,我们把这两对对顶角中较小的一对角的其中一个角,叫做L1与L2的夹角。

2、夹角必须大于等于0度且小于等于90度。

关键词: 数学 夹角 什么 意思

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