The diagram shows six squares with sides of length 2 placed edge-to-edge. What is the exact length of the radius of the smallest circle containing all six squares?
Select one option, then click Submit.
\frac{\pi}{6}
\frac{\sqrt{3}}{2}
\frac{1}{2}
\frac{1}{\sqrt{3}}
\frac{2}{3}
Select an option, then submit.
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Senior Mathematical Challenge 2014 (2014)
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