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P.o.t.W. #20

■ No GDC ■Two real numbers, \(a\) and \(b\), are chosen at random such that \(0 < a < 1\) and \(0 < b < 1\). Given that \(c = 1\), find the exact probability that the three numbers \(a\), \(b\) and \(c\) are the sides of an obtuse triangle.

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