The correct option is A True
Given: AB = AC
∠ABC=∠ACB (Isosceles triangle property)
∠DBC=∠ECB (Given)
hence, ∠DBC−∠ABC=∠ECB−∠ACB
Thus, ∠DBA=∠ECA
In △ABD and △ACE
∠DBA=∠ECA (Proved above)
AB=AC (Given)
∠DAB=∠EAC (Vertically opposite angles)
Thus, △ABD≅△ACE (SAS rule)
Hence, BD=CE(Corresponding sides)