Enter your answer and show all the steps that you use to solve this problem in the space provided. A graph with horizontal axis x and vertical axis y. Polygon WXYZ is plotted at the following points. W: left-parenthesis a comma 4b right-parenthesis. Z: left-parenthesis 0 comma b right-parenthesis. X: left-parenthesis 2a comma b right-parenthesis. Y: left-parenthesis a comma 0. Two dotted perpendicular lines WY and XZ are shown within the polygon.

Write a coordinate proof of the following theorem.

If a quadrilateral is a kite, then its diagonals are perpendicular. 60 POINTS