Triangle xyz is equilateral with vertices located on circle w. circle w is shown. line segments w y, w z, and w x are radii. lines are drawn to connect the points on the circle to form a triangle. sides z x, x y, and z y are congruent. which measurements are correct? select two options. marc x y = 60° marc y z = 120° marc z x = 180° m∠xwz = 60° m∠ywz = 120°