Herons formula for the area of a triangle whose sides have lengths x, y, and z is Area =
Chapter 4, Problem 28(choose chapter or problem)
Herons formula for the area of a triangle whose sides have lengths x, y, and z is Area = s(s x)(s y)(s z), where s = 1 2 (x + y + z) is the so-called semiperimeter of the triangle. Use Herons formula to show that, for a fixed perimeter P, the triangle with the largest area is equilateral.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer