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Question 3
Author:
Arthur Lee
移動E點使兩個黃色長方形的面積相等而AE的長度剛好是5。完成後，紀錄圖中EC的長度作為答案。
GeoGebra
答案：EC=10
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အခြေခံ data အခေါ်အဝေါ်များ
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