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Area of Equilateral Triangle Calculator

Equilateral Triangle Area Formula:

\[ A = \frac{\sqrt{3}}{4} \times \text{side}^2 \]

meters

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1. What is an Equilateral Triangle Area Calculator?

Definition: This calculator computes the area of an equilateral triangle (all sides equal, all angles 60°) based on side length.

Purpose: It helps students, engineers, and designers quickly determine the area of equilateral triangles for various applications.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ A = \frac{\sqrt{3}}{4} \times \text{side}^2 \]

Where:

Explanation: The formula derives from the general triangle area formula (½×base×height) with specific values for equilateral triangles.

3. Importance of Equilateral Triangle Calculation

Details: Equilateral triangles appear in engineering, architecture, and design. Accurate area calculation is essential for material estimation, structural analysis, and design precision.

4. Using the Calculator

Tips: Simply enter the side length in meters. The value must be positive.

5. Frequently Asked Questions (FAQ)

Q1: What's special about an equilateral triangle?
A: All three sides are equal, all three angles are 60°, and it has three lines of symmetry.

Q2: Can I use this for other triangle types?
A: No, this formula only works for equilateral triangles. Other triangles require different formulas.

Q3: What if I know the height instead of side length?
A: You can calculate side length from height (side = height × 2/√3) then use this calculator.

Q4: How precise is the calculation?
A: The calculator uses precise mathematical constants (√3) and shows results to 3 decimal places.

Q5: What are common applications?
A: Used in truss designs, floor tiling patterns, structural supports, and logo/icon design.

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