The formula for the radii of the circumscribed circles of regular polygons

Lecture





  The formula for the radii of the circumscribed circles of regular polygons

Theorem.

Side a of a regular n-gon is related to the radius R of the circumscribed circle by the formula

  The formula for the radii of the circumscribed circles of regular polygons

Evidence.

  The formula for the radii of the circumscribed circles of regular polygons

The theorem is proved.

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Planometry

Terms: Planometry