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2. Mathematics
3. Geometry
4. Equilateral Triangle Area

\(s\)

(length of the side of the equilateral triangle)

units

Area

square units

Copy

How to use Equilateral Triangle Area Calculator

1. Enter ✎ value for length of the side of the equilateral triangle \((s)\).
2. The result appears beneath the inputs as you enter values.

About this calculation

The area of an equilateral triangle is the area spread within the three sides of the triangle.

Formula

To calculate the equilateral triangle area, you can use the following formula.

Area = \( \frac{\sqrt{ 3 }}{4} s^2 \)

where

Calculation

{
  "topic": "area-of-equilateral-triangle",
  "img": {
    "width": 389,
    "height": 351
  },
  "input_types": [
    "float"
  ],
  "input_labels": [
    "s"
  ],
  "input_values": [
    "8"
  ],
  "input_units": [
    "units"
  ],
  "input_descriptions": [
    "length of the side of the equilateral triangle"
  ],
  "examples": [
    {
      "s": 10
    },
    {
      "s": 1
    }
  ],
  "type": "Calculate",
  "title": "Equilateral Triangle Area",
  "category": "Geometry",
  "shape": "Equilateral Triangle",
  "formula_mathjax": "\\( \\frac{\\sqrt{ 3 }}{4} s^2 \\)",
  "formula_mathjax_sub": "\\( \\frac{\\sqrt{3}}{4} \\times s ^2 \\)",
  "formula": " Math.sqrt( 3 ) / 4 * s * s ",
  "op_label": "Area",
  "output_unit": "square units",
  "description": "The Equilateral Triangle Area calculator calculates the area of an Equilateral Triangle by taking its side length as input.",
  "explanation": "The area of an equilateral triangle is the area spread within the three sides of the triangle."
}