Question

please give correct answer​

Answer 1

Answer:

To Prove - Triangle ABC is isosceles or AB = AC.

1. BD=CD (Given)
2. ∠BAD=∠CAD (Given)
3. ∠ABD=∠ACD (AD is a common side, angles opposite equal sides are equal)
4. △ABD and △ACD are congruent as per AAS postulate.
5. And therefore, AB=AC.