look at xvy and zvy in the image below. which of the following is the best description for this pair of angles

Answer:
complementary angles
Step-by-step explanation:
∠ XVY and ∠ ZVY form angle XVZ
∠ XVZ is a right angle = 90° , then
∠ XVY + ∠ ZVY = 90°
2 angles whose sum is 90° are complementary angles