Question 362671
The measure of W = 60, which then is cut into 2 parts by diagonal WY. 


This creates two 30 degree angles at angle W. In the center, both diagonals 


form four 90 degree angles of which we only need one.  


The measure of angle WXZ = the measure of angle X.


Angle X = 60 degrees + 60 degrees.


Angle x = 120 degrees = measure of angle WXZ.


Done!