Edge (shapes)

Jargon-Free Definition

A line where two faces of a solid meet.

QCAA/AC9 Definition

A line segment formed where two faces of a -dimensional shape intersect.

Examples of Word Use in School

  • Count the edges of the prism.
  • Highlight one edge of the cube.
  • Compare the edges and faces.

Mathematical Definition

In a polyhedron, an edge is a line segment joining two vertices and shared by two faces.