Geometry - GMAT prep test

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Geometry - GMAT prep test

by kadishmj » Mon Aug 27, 2007 9:46 am
Image

In the figure above, points P and Q lie on the circle with center O. What is the value of S?

A. 1/2
B. 1
C. sqrt 2
D. sqrt 3
E. (sqrt 2)/2

Can someone please explain this one? Thanks.

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Official Answer is B. 1
I thought it was D.
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