Problem
2013 AMC 10A Problem 16
A triangle with vertices (6, 5), (8, -3), and (9, 1) is reflected about the line x=8 to create a second triangle. What is the area of the union of the two triangles?
\textbf{(A)}\ 9 \qquad\textbf{(B)}\ \frac{28}{3} \qquad\textbf{(C)}\ 10 \qquad\textbf{(D)}\ \frac{31}{3} \qquad\textbf{(E)}\ \frac{32}{3}
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