apothem
/ˈæpəθəm/Definitions
1. noun
The length of a perpendicular line drawn from one of the vertices of a regular polygon to the opposite side.
“The apothem of the circle was used to calculate the area of the sector.”
2. noun
A vertical line or plane that connects two parallel planes or sides of a polygon or a polyhedron.
“The apothem of the pyramid was a key element in its design.”
3. noun
In architecture, the vertical line or plane that connects two parallel planes or sides of a polygon or a polyhedron.
“The apothem of the temple was used as a structural element to support the roof.”