#### Express the area A of an equilateral triangle as a function of its side x.

**SOLUTION:**

From the formula of the area of a triangle, . Also, we know that an interior angle of an equilateral triangle is 60 degrees, and

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# Differential and Integral Calculus by Feliciano and Uy, Exercise 1.1 Problem 5

#### Express the area A of an equilateral triangle as a function of its side x.

**SOLUTION:**

From the formula of the area of a triangle, . Also, we know that an interior angle of an equilateral triangle is 60 degrees, and

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