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Edge Length of Dodecahedron given Space Diagonal Calculator

Formula Used:

\[ Edge\ Length = \frac{2 \times Space\ Diagonal}{\sqrt{3} \times (1 + \sqrt{5})} \]

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1. What is the Edge Length of Dodecahedron given Space Diagonal?

The edge length of a dodecahedron can be calculated from its space diagonal using the mathematical relationship between these two geometric properties of a regular dodecahedron.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ Edge\ Length = \frac{2 \times Space\ Diagonal}{\sqrt{3} \times (1 + \sqrt{5})} \]

Where:

Explanation: This formula derives from the geometric properties of a regular dodecahedron and the relationship between its space diagonal and edge length.

3. Importance of Edge Length Calculation

Details: Calculating the edge length from the space diagonal is important in geometry, 3D modeling, and various engineering applications where dodecahedral structures are used.

4. Using the Calculator

Tips: Enter the space diagonal value in meters. The value must be positive and greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What is a regular dodecahedron?
A: A regular dodecahedron is a three-dimensional shape with 12 identical regular pentagonal faces, 20 vertices, and 30 edges.

Q2: How is the space diagonal different from face diagonal?
A: The space diagonal passes through the interior of the dodecahedron connecting two opposite vertices, while face diagonal lies within a single face.

Q3: What are the practical applications of this calculation?
A: This calculation is used in crystallography, architecture, game development, and any field dealing with dodecahedral structures.

Q4: Can this formula be used for irregular dodecahedrons?
A: No, this formula applies only to regular dodecahedrons where all edges are equal and all faces are regular pentagons.

Q5: What is the relationship between edge length and space diagonal?
A: The space diagonal is approximately 2.802 times the edge length in a regular dodecahedron.

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