You have 8 circlesof equal size and you want to pack them inside a square. You want to minimize the size of the square. The following figure illustrates the minimum way of packing 8 circles inside a square: Given the radius, r, find the area of the minimum square into which 8 circles of that radius can be packed.  radius = A positive real number (between 0.001 and 1000, inclusive) in a single line denoting the radius, r.  ANSWER For each test case, output the area of the minimum square where 8 circles of radius r can be packed. Answer is 5 digits after the decimal.    test case # 1 R = 0.1 Ans = 0.34383 test case # 2 R = 0.2 Ans = 1.37532

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