Geometry & Trigonometry
Basic

Perimeter of a Regular Polygon

Total length around a regular polygon.

Formula

P=nsP = n s

Variables

nNumber of sides
sSide length

Example

Hexagon s=3 → P = 18

Did You Know?

As you add sides to a regular polygon, it looks more and more like a circle — the basis of Archimedes' π estimate.

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