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Regular Polgon Calculator

Use this online math calculator to calculate the properties of a regular polygon.

Regular Polgon Calculator

A Polygon is a two-dimensional shape with straight sides and no gap

A Regular Polygon has equal sides (the angle calculations are based on a regular polygon)

(If either the angles are changed then the nearest number of sides will be used and angles adjusted)

Triangle (or Trigon)

You can refine the calculations by controlling the number of decimal places that the calculator calculates to. The default is 2 decimal places.

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