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Equilateral Triangle Side Calculator

Equilateral Triangle Formula:

\[ s = \frac{perimeter}{3} \]

m

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1. What is an Equilateral Triangle?

An equilateral triangle is a special type of triangle where all three sides are equal in length and all three angles are 60 degrees. It's a regular polygon with three sides.

2. How Does the Calculator Work?

The calculator uses the simple formula:

\[ s = \frac{perimeter}{3} \]

Where:

Explanation: Since all three sides are equal in an equilateral triangle, the side length is simply the perimeter divided by 3.

3. Importance of Equilateral Triangles

Details: Equilateral triangles have special properties used in architecture, engineering, and design. Their symmetry makes them ideal for structural stability and aesthetic purposes.

4. Using the Calculator

Tips: Enter the perimeter in meters. The value must be positive. The calculator will compute the length of each equal side.

5. Frequently Asked Questions (FAQ)

Q1: Can this calculator be used for other types of triangles?
A: No, this calculator is specifically for equilateral triangles where all sides are equal.

Q2: What are some real-world applications of equilateral triangles?
A: They're used in truss bridges, geodesic domes, and various architectural designs for their strength and stability.

Q3: How is an equilateral triangle different from an isosceles triangle?
A: An isosceles triangle has only two equal sides, while an equilateral triangle has all three sides equal.

Q4: What is the area formula for an equilateral triangle?
A: Area = (√3/4) × side². Once you calculate the side length, you can easily find the area.

Q5: Why are equilateral triangles important in geometry?
A: They represent the simplest regular polygon and serve as a foundation for understanding more complex geometric concepts.

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