問題詳情
33. 如圖(十七),平行四邊形紙片ABCD的面積為120, 
=20, 
=18。今沿兩對角線將四邊形ABCD剪成甲、乙、丙、丁四個三角形紙片。若將甲、丙合併( 
重合)形成一線對稱圖形戊,如圖(十八)所示,則圖形戊的兩對角線長度和為何?
(A)26
(B)29
(C) 
(D) 
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