△ABC is an isosceles triangle in which AB = AC. Side BA is produced

1.	△ABC is an isosceles triangle in which AB = AC. Side BA is produced to D such that AD = AB. What is the measure of ∠BCD?
Answer» $△ A B C$ is an isosceles triangle in which AB = AC. Side BA is produced to D such that AD = AB. What is the measure of $∠ B C D$ ?

△ABC is an isosceles triangle in which AB = AC. Side BA is produced to D such that AD = AB. What is the measure of ∠BCD?

Answer»

$△ A B C$ is an isosceles triangle in which AB = AC. Side BA is produced to D such that AD = AB. What is the measure of $∠ B C D$ ?