A diagram of a square with arrows pointing around its edges, illustrating the concept of perimeter as the distance around the edge of a shape.

Diagram illustrating the perimeter of a square as the total distance around its edges.

Perimeter

Category: Geometry Date: November 16, 2024

Definition of Perimeter

The perimeter in geometry is the total length of the boundary of a two-dimensional shape. For polygons, it is the sum of the lengths of all sides, while for circles, the perimeter is referred to as the circumference.