What’s the correct answer for this question?

Answer:
A.
Step-by-step explanation:
According to a theorem, "any triangle inscribed in a semicircle would have one of its angle equal to 90°"
So ∡C = 90°
And
∡A = 62°
Finding ∡B
∡B = 180-90-62
∡B = 28°
Answer: 28
Step-by-step explanation:
C = 90°
A = 62°
B = 180°-90°-62°
= 28°