Find out what's the height, area, perimeter, circumcircle, and incircle radius of the regular triangle with this equilateral triangle calculator.

The formula for the area of an equilateral triangle comes out from the general formula of the area of the triangle which is equal to ½ × base × height. The derivation for the formula of an …

The formula for the area of an equilateral triangle can be obtained by substituting the altitude formula. [7] Another way to prove the area of an equilateral triangle is by using the …

Aug 3, 2023 · What is an equilateral triangle in geometry – its definition, properties, picture, and types along with formulas for area and perimeter

Jul 22, 2025 · In this article, we’ll explore everything you need to know about the Area of an Equilateral Triangle, its formula, derivation, real-life applications, and how to master it with …

P = 3a is the basic formula for calculating the perimeter of an equilateral triangle, where 'a' denotes one of the triangle's sides. The sum becomes a + a + a = 3a since all three sides of …

Find the area, perimeter, volume, and other formulas for Equilateral triangle on FormulaShapes.

Aug 1, 2025 · An equilateral triangle is a special case of a triangle where all 3 sides have equal length and all 3 angles are equal to 60 degrees. The altitude shown h is h b or, the altitude of …

Learn the method for calculating the area of an equilateral triangle using the formula Area = (√3/4)s^2, where 's' denotes the side length of the equilateral triangle. Keep in mind that all …

Equilateral Triangle formulas: area, perimeter, base, height, side. Drawing, definitions and properties.