Apothem Definition (Illustrated Mathematics Dictionary) - Math Is Fun

Math is Fun ABCDEFGHIJKLMNOPQRSTUVWXYZ Definition of Apothem more ... Apothem

The distance from the center of a regular polygon to the midpoint of a side where it forms a right angle.

(For a circle it is the distance from the center to the midpoint of a chord.)

See: Circumradius, Regular Polygon, Bisect Regular Polygons - Properties Copyright © 2025 Rod Pierce

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