GAUSS7 2017 Problem 19

Two sheets of 11\:cm\times8\:cm paper are placed on top of each other, forming an overlapping 8\:cm\times8\:cm square in the center, as shown. The area of rectangle WXYZ is

Image

Answer Choices
A. 88\:cm^2
B. 112\:cm^2
C. 136\:cm^2
D. 121\:cm^2
E. 176\:cm^2