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八角形平均每个角角度是多少

我只想知道平均每个角度是多少不废话

2025-03-16 14:33:58

推荐回答（3个）

回答1：

正八边形每个外角是 360除以8是45度
内角和外角互补内角是180-45是135度

回答2：

　　135°
　　任意N边形的内角和的角度=(N-2)×180°。
　　所以，八角形的内角和的角度=(8-2)×180°=1080°，每个角角度=1080/8=135°。

回答3：

157

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