SOLUTION: Express the area A of an equilateral triangle as a function of the perimeter P. Please show step by step. I've been trying to figure this out for hours. Thanks in advance!

Question 813742: Express the area A of an equilateral triangle as a function of the perimeter P.
Please show step by step. I've been trying to figure this out for hours. Thanks in advance!
Found 2 solutions by Alan3354, mananth:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Express the area A of an equilateral triangle as a function of the perimeter P.
-----
s = side length

s = P/3

Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let the side of the triangle be s
perimeter p= 3s
s=(p/3)
Area =
=
=
=
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