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max of S/(2S+p+2), S,p area, perimeter of a rectangle fixed S (HOMC 2013 J Q10 )

Source:

July 28, 2019
geometryperimeterrectangle

Problem Statement

Consider the set of all rectangles with a given area SS. Find the largest value o M=S2S+p+2 M = \frac{S}{2S+p + 2} where pp is the perimeter of the rectangle.