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An artist wishes to paint a circular region on a square poster that is \(2\) feet on a side. If the area of the circular region is to be \(\dfrac12\) the area of the poster, what must be the radius of the circular region in feet?
(A) \(\dfrac1{\pi}\)
(B) \(\sqrt{\dfrac2{\pi}}\)
(C) \(1\)
(D) \(\dfrac1{\sqrt{\pi}}\)
(E) \(\dfrac{\pi}2\)
Answer: B
Source: Official Guide
(A) \(\dfrac1{\pi}\)
(B) \(\sqrt{\dfrac2{\pi}}\)
(C) \(1\)
(D) \(\dfrac1{\sqrt{\pi}}\)
(E) \(\dfrac{\pi}2\)
Answer: B
Source: Official Guide
