S=ab/2=6 ---> ab=12 P=a+b+c=12 ---> a+b=12-c a^2+b^2=c^2 (a+b)^2 - 2ab = c^2 (12-c)^2 - 2*12 = c^2 144 - 24c - 24 = 0 c = 120/24 = 5
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S=ab/2=6 ---> ab=12 P=a+b+c=12 ---> a+b=12-c a^2+b^2=c^2 (a+b)^2 - 2ab = c^2 (12-c)^2 - 2*12 = c^2 144 - 24c - 24 = 0 c = 120/24 = 5