Question

Point O is the center of the given circle. What is the measure of yz?

54°
A. 27°
B. 108
C. 54
O D. 72°
SUBMIT

Answer 1

• B. 108°

Explanation:

XO = YO equal as radius, therefore

• m∠X = m∠Y = 54°

∠YOZ is exterior angle of the triangle OXY and equal to sum of non-adjacent interior angles

• m∠YOZ = 54° + 54° = 108°

Arc YZ is 108°

Correct option is B