The required inequality for the statement is expressed as 3s ≤ 72
An equilateral triangle is a triangle that has all its sides to be equal.
- Perimeter of the triangle = s₁ + s₂ + s₃
Since s₁ = s₂ = s₃ = s, hence;
- Perimeter of the triangle = s + s + s = 3s
If the perimeter of an equilateral triangle is at most 72, this will be expressed as:
where s is one of the sides of the triangle.
Note that the inequality sign ≤ was used since the perimeter is at most 72.
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