The figure shown is a rhombus. A rhombus with diagonals is shown. The diagonals form 4 triangles. The measures of the angles are x degrees, y degrees, and z degrees. All sides are congruent. Which equation is true regarding the angles formed by the diagonals and sides of the rhombus? x y = z 2x = y z z x = 2y 2x 2y = 4z.