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

The area of an equilateral triangle can be found by using the formula of the area of an equilateral triangle. Area of an equilateral triangle = √3a 2 / 4, where a is the side of an equilateral triangle.

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 …

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.

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 …

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

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

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 …

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 …