GAUSS8 2012 Problem 25

Past Contests GAUSS8 2012
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1

In the rectangle WXYZ, the parallelogram PQRS is formed as shown. The segment PT is perpendicular to SR. The length of ST is

Answer Choices
A. \frac{13}{12}
B. \frac{13}{5}
C. \frac{12}{13}
D. \frac{16}{13}
E. 1

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