How to use this calculator
A regular polygon can be divided into congruent isosceles triangles around its center.
The method
Enter your values in the labeled fields and choose Calculate. The result panel shows the answer and supporting values when useful.
Number of sides: 6, Side length: 5
Select Calculate to evaluate these example values.
Scope and limitations
Uses standard trigonometric geometry; very large side counts approximate a circle.
Common questions
Can I use different units?
Use consistent units unless this page is a unit converter. The result follows the units implied by the inputs.
Are results exact?
Displayed values may be rounded. Keep extra precision for important follow-up calculations.
Methods & verification
Formulas use standard mathematical definitions and fixed unit factors where applicable. See our methodology for numerical conventions, rounding, privacy, and limitations.