Answer:
B. 120° degrees
Step-by-step explanation:
Inscribed angle ABC = 60°
Arc AC = 2 * < ABC (Relation between arc and inscribed angle)
Arc AC = 2 * 60°
= 120°
Because, Angle ABC is incribed in arc AC .
We know that it's 2times than angle ABC.
THEREFORE, 60 × 2 = 120
