問題詳情
23. 圖 ( 十二 ) 為正三角形 ABC 與正方形 DEFG 的重疊情形，其中 D、E 兩點分別在 
上，且 
。若 
，則 F 點到 
的距離為何？
(A) 2
(B) 3
(C) 12-4√3
(D) 6√3-6
參考答案
無參考答案
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