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Surface to Volume Ratio of Icosahedron given Lateral Surface Area Calculator

Formula Used:

\[ RA/V = \frac{12\sqrt{3}}{(3+\sqrt{5}) \cdot \sqrt{\frac{2 \cdot LSA}{9\sqrt{3}}}} \]

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1. What is Surface to Volume Ratio of Icosahedron?

The Surface to Volume Ratio of Icosahedron is the numerical ratio of the total surface area to the volume of the Icosahedron. It's an important geometric property that indicates how much surface area is available per unit volume of the shape.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ RA/V = \frac{12\sqrt{3}}{(3+\sqrt{5}) \cdot \sqrt{\frac{2 \cdot LSA}{9\sqrt{3}}}} \]

Where:

Explanation: This formula calculates the surface to volume ratio based on the lateral surface area of a regular icosahedron, using mathematical constants and geometric relationships specific to this polyhedron.

3. Importance of Surface to Volume Ratio

Details: The surface to volume ratio is crucial in various fields including materials science, chemistry, and biology. For icosahedral structures, this ratio helps understand properties like heat transfer, diffusion rates, and structural efficiency.

4. Using the Calculator

Tips: Enter the lateral surface area of the icosahedron in square meters. The value must be positive and greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What is a regular icosahedron?
A: A regular icosahedron is a polyhedron with 20 equilateral triangular faces, 12 vertices, and 30 edges. It's one of the five Platonic solids.

Q2: How is lateral surface area different from total surface area?
A: Lateral surface area excludes the base faces (if any), while total surface area includes all faces of the 3D shape.

Q3: What are typical values for surface to volume ratio?
A: The ratio depends on the size of the icosahedron. Smaller icosahedra have higher ratios, while larger ones have lower ratios.

Q4: Can this calculator be used for irregular icosahedra?
A: No, this calculator is specifically designed for regular icosahedra where all faces are equilateral triangles and all vertices are equivalent.

Q5: What practical applications use this calculation?
A: This calculation is used in nanotechnology (fullerenes), virology (virus capsids), architecture, and materials science where icosahedral structures occur.

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