Question

find the measure of the arc.
?
55°
46°
a. 46°
b. 55°
c. 110°
d. 125°

Explanation:

Step1: Recall arc - central angle relationship

The measure of an arc is equal to the measure of its central angle.

Step2: Identify the central angle

The central angle corresponding to the arc in question is $55^{\circ}$. So the measure of the arc is also $55^{\circ}$.

Answer:

B. $55^{\circ}$