Respuesta :

Dead3ill

Answer:

ASA (Angle-Side-Angle) Congruency Postulate

Step-by-step explanation:

In ΔCDE & ΔABF ,

  • ∠ECD = ∠FAB (given)
  • CD = AB (given)
  • ∠EDC = ∠FBA (given)

∴ ΔCDE ≅ ΔABF by ASA congruency postulate.