Answer:
You are correct.
Step-by-step explanation:
This is a semi circle. The central angle is 180 so the according to Thales Theorem, the angle that is opposite of the diameter is 90 degrees.
A triangle has at max 180 degrees So
[tex]180 - 90 - 60 = x[/tex]
[tex]30 = x[/tex]
So the angle is 30
