Prove quadrilateral WXYZ is a rhombus.

To prove a quadrilateral is a rhombus, here are three approaches:

Show that the shape is a parallelogram with equal length sides; Show that the shape is a parallelogram with equal length sides; Show that the shape's diagonals are each others' perpendicular bisectors; orShow that the shape is a parallelogram with equal length sides; Show that the shape's diagonals are each others' perpendicular bisectors; orShow that the shape's diagonals bisect both pairs of opposite angles.

In this problem it decreased 20%