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正八边形的内角和是多少度
更新时间: 2020-11-02 00:00:00  

1、正八边形的内角和为1080度,每个内角是135度,每个外角是45度。

2、八条长度相等的线段围成的图形,每个内角都是135°,首尾相连构成的一个封闭形状的平面图形叫正八边形。正八边形每个角大小都相等,每条边长度相等。

关键词: 内角 多少

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