The point O is the center of the circle circumscribed about △XYZ. What is the degree measure of ∠XYZ?
Angle XOZ = 360 - 124 -92 = 144°
Angle XYZ is a circumscribed angle subtending the same arc as central angle XOZ
So...its measure is 1/2 angle XOZ = (1/2) * 144 = 72°
