2010 Cayley Problem 21

A rectangular piece of paper measures 17 cm by 8 cm. It is folded so that a right angle is formed between the two segments of the original bottom edge, as shown. What is the area of the new figure?

\textbf{(A)}\ 104 \text{ cm}^2\quad \textbf{(B)}\ 81 \text{ cm}^2\quad \textbf{(C)}\ 72 \text{ cm}^2\quad \textbf{(D)}\ 168 \text{ cm}^2\quad \textbf{(E)}\ 64 \text{ cm}^2

If there are no answer choices shown, enter a numerical answer.

Full credit to this problem is given to the CEMC, you may view all Cayley contests here.