Question

Given: CB bisects ∠ACD and m∠ACB is 30°. Find m∠BCD.

Answer 1

My Answer is 30°. Hopefully this helps.

Explanation:

Now This is just a Theory, but if CB Truely is a bisector of ∠ACD. Then shouldn't ∠ACB ≅ ∠BCD?

Answer 2

30

Explanation: