圖(廿一)的長方形ABCD中，E點在 AD 上，且 BE ＝2 AE 。　　　今分別以BE 、 CE 為摺線，將A、D向BC 的方向摺過去，　　　圖(廿二)為對摺後A、B、C、D、E五點均在同一

問題詳情

34. 圖(廿一)的長方形ABCD中，E點在 AD 上，且 BE ＝2 AE 。　　　今分別以BE 、 CE 為摺線，將A、D向BC 的方向摺過去，　　　圖(廿二)為對摺後A、B、C、D、E五點均在同一平面上的位置圖。若圖(廿二)中，∠AED＝15°，則∠BCE的度數為何？

　
(A) 30
(B) 32.5
(C) 35
(D) 37.5

參考答案

答案：D
難度：困難0.37037
統計：A(14),B(12),C(8),D(20),E(0)

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