Question

Given the coordinates of rhombus WXYZ are W(0,4b), X(2a,0), Y(0,-4b), and Z(-2a,0). Prove: The segments joining the midpoints of a rhombus form a rectangle
As part of the proof,find the midpoint of XY
a) (a,-2b)
b) (-a,2b)
c) (-a,-2b)
d) (a,2b)