Question

D is the midpoint of AC, BDC=BDA prove ABD=CBD

Answer 1

In triangle ABD and CDB
In a traingle ABD and CDB

BD= BD share the same side

AD=DC  As given  D is the midpoint
and given as

angle BDA= angle BDCso by side angle side)the two triangles are congruentusing CPCTC angle ABD= angle CBD