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摺摺看,這是對稱圖形嗎?

摺摺看,這是對稱圖形嗎?. 1. 虛線是對稱軸。. 2. 點ㄆ和哪一點會合?. 點ㄉ. 3. 點ㄇ和哪一點會合?. 點ㄈ. 1. 2. 4. 邊ㄅㄆ和哪一邊疊合?. 邊ㄅㄉ. 5. 邊ㄉㄈ和哪一邊疊合?. 邊ㄆㄇ. 3. 4. 6. 角 1 和那個角疊合?. 角 2. 7. 角 3 和那個角疊合?. 角 4. 互相重疊的點ㄆ和點ㄉ,稱為對稱點. 互相重疊的邊ㄅㄆ和邊ㄅㄉ,稱為對稱邊. 互相重疊的角 1 和角 2 ,稱為對稱角. 拿出附摺摺看,這是對稱圖形嗎?. 虛線是對稱軸。. 1. 邊ㄅㄆ多少公分?. 6 公分.

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摺摺看,這是對稱圖形嗎?

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  1. 摺摺看,這是對稱圖形嗎? 1.虛線是對稱軸。 2.點ㄆ和哪一點會合? 點ㄉ 3.點ㄇ和哪一點會合? 點ㄈ 1 2 4.邊ㄅㄆ和哪一邊疊合? 邊ㄅㄉ 5.邊ㄉㄈ和哪一邊疊合? 邊ㄆㄇ 3 4 6. 角1和那個角疊合? 角 2 7. 角3和那個角疊合? 角 4

  2. 互相重疊的點ㄆ和點ㄉ,稱為對稱點 互相重疊的邊ㄅㄆ和邊ㄅㄉ,稱為對稱邊 互相重疊的角1和角2,稱為對稱角

  3. 拿出附摺摺看,這是對稱圖形嗎? 虛線是對稱軸。 1. 邊ㄅㄆ多少公分? 6 公分 6 公分 2. 邊ㄅㄉ多少公分? 1 2 3. 邊ㄆㄇ多少公分? 9 公分 9 公分 4. 邊ㄉㄈ多少公分? 3 4 110 度 5. 角 1 多少度? 6. 角2多少度? 110 度

  4. 你發現什麼? 邊ㄅㄆ長度=邊ㄅㄉ長度 邊ㄆㄇ長度=邊ㄉㄈ長度 1 2 角 1 =角 2 3 4 角 3 =角 4

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