Question

an equilateral triangle has side lengths that measure x + 2 inches. the perimeter of the triangle is 19.8 inches. write an equation to find the value of x. enter the correct equation in the box. show hints

Explanation:

Step1: Recall perimeter of equilateral triangle

Perimeter = 3 × side length

Step2: Substitute given values

$$3(x + 2) = 19.8$$

Answer:

$3(x + 2) = 19.8$