Problem
2019 Cayley Problem 15
In the diagram, the line segments PQ and PR are perpendicular. The value of s is
\textbf{(A)}\ 6\quad \textbf{(B)}\ 9\quad \textbf{(C)}\ 10\quad \textbf{(D)}\ 12\quad \textbf{(E)}\ 9.5
If there are no answer choices shown, enter a numerical answer.
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