在數學中,旋轉對稱幾何圖形的一種性質。把一個圖形圍繞某一個點旋轉一定度數,旋轉後的圖形與旋轉前重合,該圖形就具備旋轉對稱性。如果旋轉180°後重合,則特別稱為中心對稱

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三曲腿
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五角星

參考資料

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