Suggested Answer
Statement | Reason AD ≅ BC | Given∠DAB ≅ ∠CBA | GivenAB ≅ AB | Reflexive property of congruenceΔADB ≅ ABC | SAS postulate ∠DBA ≅ ∠CAB | CPCTCΔABE is isosceles | Any triangle with 2 congruent angles is isosceles
Statement | Reason AD ≅ BC | Given∠DAB ≅ ∠CBA | GivenAB ≅ AB | Reflexive property of congruenceΔADB ≅ ABC | SAS postulate ∠DBA ≅ ∠CAB | CPCTCΔABE is isosceles | Any triangle with 2 congruent angles is isosceles