Calculator Inputs and Outputs
Inputs
- Polygon side length (units) — example: 5
- Prism height (units) — example: 10
Results
- Prism volume (cubic units)
- Base area (square units)
- Total surface area (square units)
Formula used
Volume = [(79 × side²) ÷ (4 × tan(π/79))] × prism height.
How to Use the Regular 79-Sided Polygon Prism Volume Calculator
Enter the requested values and select Calculate Regular 79-Sided Polygon Prism Volume. The default inputs provide a complete working example that can be replaced with your own values.
Formula
Volume = [(79 × side²) ÷ (4 × tan(π/79))] × prism height.
Understanding the Results
The primary answer appears first. Supporting results show related quantities, intermediate values, or comparisons that help you check the estimate.
Accuracy Tips
- Use consistent units and retain extra precision until the final rounded result.
- Use measured or verified inputs.
- Recalculate whenever an assumption changes.
Important Note
This calculator is an informational planning tool. Confirm critical financial, medical, construction, scientific, tax, legal, or safety decisions with an appropriately qualified professional.
Calculation Standards
This tool uses documented formulas and high-precision internal values. Displayed results may be rounded for readability. Review the assumptions and verify important decisions with a qualified professional.
Read our calculation methodology