Equilateral triangle X Y W has degree angles of 60 degrees. Point D extends from side X W. Angle D X Y is 120 degrees. Triangle
Z Y W sits on side Y W. Angle Z is 90 degrees, angle Y is d degrees, and angle W is c degrees. Point D extends from side X W. Exterior angle Z W C is 90 degrees. Using the figure on the left, what is the measure of ∠ZWY and ∠ZYW?
