Question

any one solve this briefly please​

Answer 1

Given:- angle 1= angle 3

angle 2= angle 4

To prove:- Triangle ABD congruent to triangle BDC

Proof :-angle 1= angle 3 (given)

angle 2= angle 4 (given)

DB=BD (common)

So triangle ABD congruent to triangle BDC

By ASA congruence rule

Hence proved