Perimeter of an Equilateral Triangle
The equilateral triangle has all three sides equal, so its perimeter will be three times the length of one of its sides (a).
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Note. Courtesy of the author: José María Pareja Marcano. Chemist. Seville, Spain.
Being a equilateral triangle with all sides equal in length a=5 cm.
What is its perimeter?
Applying the above formula:
We obtain that the perimeter of this equilateral triangle is 15 cm.
AUTHOR: Bernat Requena Serra