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A mathematical expression which best represents the perimeter of this triangle is (15h - 6k + 12m) centimeters.
<u>Given the following data:</u>
Length A = (5h – 4k) centimeters
Length B = (10h + 7m) centimeters
Length C = (5m – 2k) centimeters.
<h3>What is a triangle?</h3>A triangle can be defined as a two-dimensional shape that comprises three (3) sides, three (3) vertices and three (3) angles.
<h3>How to calculate the perimeter of a triangle.</h3>Mathematically, the perimeter of a triangle is given by this formula:
<u>Where:</u>
- A, B, and C are length of sides.
Substituting the given parameters into the formula, we have;
Read more on perimeter of a triangle here: brainly.com/question/24382052