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内角和720度是几边形

更新时间: 2020-10-28 00:00:00     

六边形。内角是多边形相邻的两边组成的角叫做多边形的内角。三角形内角和就是一个三角形内部的三个角的和,一个内角就是其中任意一个角。

在数学中,三角形内角和为180°,四边形(多边形)内角和为360°。以此类推,加一条边,内角和就加180°。

关键词: 内角

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