77. 設△ABC~△DEF，若 A =45°，B =75°，則
(A)∠C =50°
(B)∠F =60°
(C)∠D =75°
(D)∠E =30° 。

答案：登入後查看
統計： A(0), B(2), C(0), D(0), E(0) #2247643