# What is a function that models the area of an equilateral triangle in terms of the length #x# of ones of its sides?

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The function that models the area ( A ) of an equilateral triangle in terms of the length ( x ) of one of its sides is:

[ A(x) = \frac{\sqrt{3}}{4}x^2 ]

where ( x ) is the length of one of the sides of the equilateral triangle.

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