English Dictionary

apothem

noun

(geometry) The perpendicular distance from the center of a circle to a chord of the same circle.

The apothem of the regular hexagon is equal to half the length of one side.

意味（1）

(geometry) The perpendicular distance from the center of a circle to a chord of the same circle.

意味（2）

(geometry) The distance from the center of a regular polygon perpendicular to one of its sides (a special case of the above).