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Find Area of Equilateral Triangle Calculator

Equilateral Triangle Area Formula:

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

meters

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1. What is an Equilateral Triangle Area Calculator?

Definition: This calculator computes the area of an equilateral triangle where all three sides are equal and all angles are 60 degrees.

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:

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

Where:

Explanation: The formula derives from the general triangle area formula (½ × base × height) with the height calculated using the Pythagorean theorem.

3. Importance of Equilateral Triangle Calculation

Details: Equilateral triangles appear in engineering, architecture, and design. Knowing their area is essential for material estimation, structural analysis, and space planning.

4. Using the Calculator

Tips: Simply enter the length of one side in meters. The side length must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why is there a √3/4 in the formula?
A: This constant comes from the height calculation of an equilateral triangle, which is (side × √3)/2.

Q2: Does this work for other triangle types?
A: No, this formula is specific to equilateral triangles. Other triangles require different formulas.

Q3: What units does this calculator use?
A: The calculator uses meters for input and square meters for output, but any consistent unit system will work.

Q4: How precise is the calculation?
A: The calculator shows results to 3 decimal places, but the actual precision depends on your input values.

Q5: Can I calculate the side length from the area?
A: Yes, you can rearrange the formula: side = √(4 × Area / √3).

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