c+CalcLantern

Regular polygon

Find area, perimeter and interior angle from side length.

How this works

Area = ns²/[4 tan(π/n)]. All sides and angles must be equal.

Example

Using the example inputs, area (square units) is 10.3923048454.

Number of sides
6
Side (units)
2
Area (square units)
10.3923048454

Scope and assumptions

Uses your inputs only; results are rounded for display.

OpenStax mathematics

Related calculators

Area conversion

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