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Insphere Radius of Rhombic Dodecahedron Calculator

Formula Used:

\[ r_i = \frac{\sqrt{6}}{3} \times l_e \]

m

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1. What is Insphere Radius of Rhombic Dodecahedron?

The Insphere Radius of Rhombic Dodecahedron is the radius of the sphere that is contained by the Rhombic Dodecahedron in such a way that all the faces are just touching the sphere. It represents the largest sphere that can fit inside the polyhedron.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ r_i = \frac{\sqrt{6}}{3} \times l_e \]

Where:

3. Formula Explanation

Mathematical Basis: The formula derives from the geometric properties of the rhombic dodecahedron, where the insphere radius is directly proportional to the edge length with a constant factor of √6/3.

Functions Used: sqrt - A square root function that takes a non-negative number as input and returns the square root of the given input number.

4. Using the Calculator

Instructions: Enter the edge length of the rhombic dodecahedron in meters. The value must be positive. The calculator will compute the insphere radius using the established geometric relationship.

5. Frequently Asked Questions (FAQ)

Q1: What is a Rhombic Dodecahedron?
A: A rhombic dodecahedron is a convex polyhedron with 12 congruent rhombic faces. It occurs in nature as the shape of garnet crystals and has applications in geometry and crystallography.

Q2: Why is the constant √6/3 used in the formula?
A: This constant arises from the specific geometric proportions of the rhombic dodecahedron and represents the mathematical relationship between the edge length and the insphere radius.

Q3: Can this formula be used for any polyhedron?
A: No, this specific formula applies only to the rhombic dodecahedron. Different polyhedra have different relationships between edge length and insphere radius.

Q4: What are practical applications of this calculation?
A: This calculation is useful in crystallography, materials science, and geometric modeling where understanding the internal dimensions of rhombic dodecahedral structures is important.

Q5: How accurate is this formula?
A: The formula is mathematically exact for perfect rhombic dodecahedra and provides precise results when accurate edge length measurements are provided.

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