Question

Maximum area of a triangle with fixed perimeter

Answer 1

I tried with that formula, but I have problems to solve it. T=s(s−a)(s−b)(s−c)−−−−−−−−−−−−−−−−−√T=s(s−a)(s−b)(s−c) and s=a+b+c2=2d2=ds=a+b+c2=2d2=d and c=2d−a−bc=2d−a−b, I got that T=d(d−a)(d−b)(a+b−d)−−−−−−−−−−−−−−−−−−−−√T=d(d−a)(d−b)(a+b−d). At the end, I got that T2=−d4+(a+b)2d3−(a2+3ab+b2)d2+(a2b+a .

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Answer 2

Answer:

Explanation:

I tried with that formula, but I have problems to solve it. T=s(s−a)(s−b)(s−c)−−−−−−−−−−−−−−−−−√T=s(s−a)(s−b)(s−c) and s=a+b+c2=2d2=ds=a+b+c2=2d2=d and c=2d−a−bc=2d−a−b, I got that T=d(d−a)(d−b)(a+b−d)−−−−−−−−−−−−−−−−−−−−√T=d(d−a)(d−b)(a+b−d). At the end, I got that T2=−d4+(a+b)2d3−(a2+3ab+b2)d2+(a2b+a .

hope you like this answer