130.In the given figure, ABC is a triangle in which AB = AC. Side BA is produced To D such that AB = AD. Prove that angle BCD =90 degree

130.In the given figure, ABC is a triangle in which AB = AC. Side BA i

1.	130.In the given figure, ABC is a triangle in which AB = AC. Side BA is produced To D such that AB = AD. Prove that angle BCD =90 degree
Answer» 130.In the given figure, ABC is a triangle in which AB = AC. Side BA is produced To D such that AB = AD. Prove that angle BCD =90 degree