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線對稱圖形

線對稱圖形. 對摺後兩邊能完全疊合的圖形，為 線對稱圖形 。 對摺的直線就是 對稱軸 。. 兩邊等長. 是 線對稱圖形. 兩邊不等長. 不是 線對稱圖形. . . . . . . . . .

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線對稱圖形

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  1. 線對稱圖形

  2. 對摺後兩邊能完全疊合的圖形，為線對稱圖形。對摺後兩邊能完全疊合的圖形，為線對稱圖形。 • 對摺的直線就是對稱軸。

  3. 兩邊等長 是線對稱圖形 兩邊不等長 不是線對稱圖形

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