In the given figure, ABC is isosceles triangle with AB=AC, ∠BCD=20∘. The measure of ∠ACB is equal to

In the given figure, ABC is isosceles triangle with AB=AC, ∠BCD=20�

1.	In the given figure, ABC is isosceles triangle with AB=AC, ∠BCD=20∘. The measure of ∠ACB is equal to
Answer» In the given figure, ABC is isosceles triangle with $A B = A C, ∠ B C D = 20^{\circ} .$ The measure of $∠ A C B$ is equal to