6th Grade · Geometry

Edge Length

6.G.A.2

Definition

The length of one edge of a three-dimensional figure, where two faces meet. It can be a fraction.

Examples

  • Each edge of a small cube can be 1/2 unit long.
  • Edge length can be a whole number or a fraction.

Key rule

An edge is where two faces of a solid meet.

Memory hook

The length of one edge, sometimes a fraction.