Question

The sides of a triangle are represented by 3x-1, 4x+7, and 2x +11. What is th

perimeter of the triangle, in terms of x?

Answer 1

9x + 17

Explanation:

(3x - 1) + (4x + 7) + (2x + 11)

= 3x - 1 + 4x + 7 + 2x + 11

= 3x + 4x + 2x - 1 + 7 +11

= 9x + 17