Cho

Câu hỏi: Cho $\Delta ABC=\Delta DEF$. Biết $\widehat{A}+\widehat{B}=130°$ và  $\widehat{E}=55°$. Tính các góc $\widehat{A};\widehat{C};\widehat{D};\widehat{F}$

A. $\widehat{A}=\widehat{D}=75°;\widehat{C}=\widehat{F}=60°$

B. $\widehat{A}=\widehat{D}=50°;\widehat{C}=\widehat{F}=75°$

C. $\widehat{A}=\widehat{D}=75°;\widehat{C}=\widehat{F}=50°$

D. $\widehat{A}=\widehat{D}=75°;\widehat{C}=\widehat{F}=55°$