Equilateral Triangle Calculator

Equilateral Triangle Calculator calculates the area or perimeter for an equilateral triangle.

In an equilateral triangle, all the angles and legs are the same. Every angle is 60°and all of the legs are equal in length.

Perimeter of Equilateral Triangle

To calculate perimeter for an equilateral triangle, multiply one leg by 3.
P=a×3.

Area of Equilateral Triangle Formula

To calculate area for an equilateral triangle,
divide root of 3 by 4, and then multiply by square of one leg.
A=√3÷4×a².