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Equilateral Triangle Area Calculator
Equilateral Triangle Area Formula: Equilateral Triangle Area = (√³) / 4 * Length of Triangle side²

Equilateral Triangle Area Definition
The Equilateral Triangle Area Calculator will calculate the area of an equilateral triangle instantly if you enter in the length of one side of the triangle. An equilateral triangle means that each side of the triangle is exactly the same length. This is why only the length of one side is needed to calculate the length of an equilateral triangle – because all of the sides of an equilateral triangle are exactly the same so if you know the length of one side then you know the length of all sides!

How to Calculate Equilateral Triangle Area
Let's be honest - sometimes the best equilateral triangle area calculator is the one that is easy to use and doesn't require us to even know what the equilateral triangle area formula is in the first place! But if you want to know the exact formula for calculating equilateral triangle area then please check out the "Formula" box above.