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An equilateral triangle ABC is inscribed in square ADEF, forming three right triangles: ADB, ACF and BEC. What is the ratio of the area of triangle BEC to that of triangle ADB?
A. 4/3
B. sqrt(3)
C. 2
D. 5/2
E. sqrt(5)
A. 4/3
B. sqrt(3)
C. 2
D. 5/2
E. sqrt(5)
