Question 19
The square $STUV$ is made up of a square bounded by 4 equal rectangles. The perimeter of each rectangle is $40~\mathrm{cm}$. What is the area, in $\mathrm{cm}^2$, of square $STUV$?
(A) 400
(B) 200
(C) 160
(D) 100
(A) 400
(B) 200
(C) 160
(D) 100