Answer:
126
Step-by-step explanation:
angle ZWY = 180 - 90 - 63 = 27
Base on the given information, the length of XW is same with the length of ZW, which means they have the same angle.
Quadrangle has angle of 360
360(quadrangle) - 27(ZWY)- 27(XWY) - 90(WZY) - 90(WXY)
= 126
