# Regular polygon, number of sides and length of side from incircle and circumcircle radii

This online calculator finds number of sides and length of side of regular polygon given the radii of incircle and circumcircle

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### Articles that describe this calculator

Digits after the decimal point: 3

Number of size, precise

Number of size, rounded

Incircle radius (for rounded number of sides)

Length of side (for rounded number of sides)

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