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Edge Length Of Pentagonal Bipyramid Given Volume Calculator

Formula Used:

\[ l_e = \left( \frac{12 \times V}{5 + \sqrt{5}} \right)^{1/3} \]

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1. What is the Edge Length of Pentagonal Bipyramid?

The edge length of a pentagonal bipyramid is the length of any edge of this geometric solid. A pentagonal bipyramid consists of two pentagonal pyramids joined base-to-base, forming a polyhedron with 10 triangular faces and 7 vertices.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ l_e = \left( \frac{12 \times V}{5 + \sqrt{5}} \right)^{1/3} \]

Where:

Explanation: This formula calculates the edge length of a regular pentagonal bipyramid based on its volume, using the mathematical relationship between volume and edge length in this specific polyhedron.

3. Importance of Edge Length Calculation

Details: Calculating the edge length from volume is essential in geometry, material science, and engineering applications where the dimensions of pentagonal bipyramid structures need to be determined based on their volumetric properties.

4. Using the Calculator

Tips: Enter the volume of the pentagonal bipyramid in cubic meters. The volume must be a positive value greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What is a pentagonal bipyramid?
A: A pentagonal bipyramid is a polyhedron formed by two pentagonal pyramids joined base-to-base, resulting in 10 triangular faces and 7 vertices.

Q2: Why is the formula structured this way?
A: The formula derives from the geometric properties of regular pentagonal bipyramids and the mathematical relationship between volume and edge length in these symmetrical structures.

Q3: Can this calculator handle different units?
A: The calculator uses cubic meters for volume and meters for edge length. For other units, convert your measurements to these standard units before calculation.

Q4: What are typical applications of pentagonal bipyramids?
A: Pentagonal bipyramids appear in crystallography, molecular geometry, architectural design, and various engineering applications where symmetrical polyhedral structures are required.

Q5: How accurate is this calculation?
A: The calculation is mathematically exact for perfect regular pentagonal bipyramids. The accuracy depends on the precision of the input volume value.

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