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补角

一对邻补角

互为补角,或简称互补角(英语:supplementary angles),是几何中两个之间的一种关系。称角A和角B互补,当且仅当这两个角的度数之和等于180度,即为一个平角

公式为:∠A+∠B=180°。

若两个角有一条公共以及共同的顶点,那么这两个角被称作一对邻补角,也可以将其中的一个角称为另一个角的邻补角。邻补角是一种特殊的互补角。邻补角的两条非公共边构成一条直线

性质

参见

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补角
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