Question

A triangle has side lengths of (8h – 9) centimeters, (4h + 5) centimeters, and (9k – 5) centimeters. Which expression represents the perimeter, in centimeters, of the triangle?​

Answer 1

12h + 9k - 9

Explanation:

8h + 4h + 9k + (-9) + 5 + (-5) = 12h + 9k - 9