WXYZ WXYZ\,WXYZ is a kite where WX=WZWX = WZWX=WZ and YX=YZYX = YZYX=YZ. A diagonal WY WY\,WY is drawn between vertices W W\,W and YYY.
Prove that angle XWY XWY\,XWY is equal to angle ZWYZWYZWY.