Calculator for calculating the side of a regular polygon using the radii of circles

The publication presents online calculators and formulas for calculating the length of a side of a regular polygon through the radius of an inscribed or circumscribed circle.

Content

Side length calculation

Calculator for calculating the side of a regular polygon using the radii of circles

Instructions for use: enter the radius of the inscribed (r) or described (R) circle, indicate the number of vertices of a regular polygon (n), then press the button “Calculate”. As a result, the length of the side of the figure will be calculated (a).

Through the radius of the inscribed circle

Calculation formula

Calculator for calculating the side of a regular polygon using the radii of circles

Through the radius of the circumscribed circle

Calculation formula

Calculator for calculating the side of a regular polygon using the radii of circles

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