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Circumsphere Radius of Icosahedron given Perimeter Calculator

Formula Used:

\[ Circumsphere\ Radius = \frac{Perimeter \times \sqrt{10 + 2\sqrt{5}}}{20} \]

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1. What is Circumsphere Radius of Icosahedron?

The circumsphere radius of an icosahedron is the radius of the sphere that passes through all the vertices of the icosahedron. It is an important geometric property that helps in understanding the spatial dimensions of this regular polyhedron.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ Circumsphere\ Radius = \frac{Perimeter \times \sqrt{10 + 2\sqrt{5}}}{20} \]

Where:

Explanation: This formula derives from the geometric properties of a regular icosahedron, relating its perimeter to the radius of its circumscribed sphere.

3. Importance of Circumsphere Radius Calculation

Details: Calculating the circumsphere radius is essential in various fields including architecture, 3D modeling, and mathematical research. It helps in determining the spatial requirements and proportions of icosahedral structures.

4. Using the Calculator

Tips: Enter the perimeter of the icosahedron in the input field. The value must be a positive number. The calculator will compute the circumsphere radius based on the provided perimeter.

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 is one of the five Platonic solids.

Q2: How is the perimeter of an icosahedron defined?
A: The perimeter of an icosahedron typically refers to the sum of the lengths of all its edges. For a regular icosahedron, this is 30 times the edge length.

Q3: Can this calculator be used for irregular icosahedrons?
A: No, this calculator is specifically designed for regular icosahedrons where all edges are equal. For irregular icosahedrons, more complex calculations are required.

Q4: What units should I use for the perimeter?
A: You can use any unit of length (meters, centimeters, inches, etc.) as long as you are consistent. The result will be in the same units.

Q5: Why is the circumsphere radius important?
A: The circumsphere radius helps in understanding the overall size and spatial extent of the icosahedron, which is useful in applications like packaging, design, and spatial analysis.

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