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Area of an Equilateral Triangle

LAST UPDATE: February 2nd, 2022

Calculator

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Formula – How to calculate the area of an equilateral triangle

Area = (√3 ÷ 4) x Side2

Example

A equilateral triangle has a side with the length of 10

Area = (√3 ÷ 4) x 102

Area = (1.73205 ÷ 4) x 100

Area = 0.433 x 100

Area = 43.3