apothem
/ˈæp.ə.θɛm/
noun
- In geometry, the distance from the center of a regular polygon to the midpoint of any of its sides.
- To find the area of a regular hexagon, multiply the perimeter by the apothem and divide by two.
- In class, we learned that the apothem is always perpendicular to the side of the polygon.
- The student calculated the apothem of the pentagon to be about 3.4 inches.