Respuesta :

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