If the measure of XYZ is 73, what is the measure of xy?

Answer:
measure of arc XY = 146°
Step-by-step explanation:
The measure of the tangent- chord angle XYZ is half the measure of its intercepted arc XY, or
the measure of the intercepted arc XY is twice ∠ XYZ , then
arc XY = 2 × 73° = 146°