Solve for a, b, c, p, S
a=3\sqrt{2}\approx 4.242640687
b=\sqrt{15}\approx 3.872983346
c=\sqrt{5}\approx 2.236067977
p = \frac{\sqrt{5} + \sqrt{15} + 3 \sqrt{2}}{2} \approx 5.175846005
S = \frac{\sqrt{74}}{2} \approx 4.301162634
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