Cho tam giác ABC= tam giác DEF. Biết A +B =140^o,E =45^o. Tính A ,C ,D ,F

A. $\hat{A}$ = $\hat{D}$ = 105$°$, $\hat{F}$ = $\hat{C}$ = 40$°$

B. $\hat{A}$ = $\hat{D}$ = 90$°$, $\hat{F}$ = $\hat{C}$ = 50$°$

C. $\hat{A}$ = $\hat{D}$ = 95$°$, $\hat{F}$ = $\hat{C}$ = 40$°$

D. $\hat{A}$ = $\hat{D}$ = 40$°$, $\hat{F}$ = $\hat{C}$ = 95$°$