Answer:
Step-by-step explanation:
1). ∠A ≅ ∠C ............ Given
2). segment AB ≅ segment CB ........... Converse of the Isosceles Δ Theorem
3). ∠ABD ≅ ∠CBD ............. Definition of Angle Bisector
4). BD ≅ BD .......... Reflecsive property
5). ΔABD ≅ ΔCBD ........... SAS Postulate of Congruence
