In geometry, a diagonal is a line segment joining two vertices of a polygon or polyhedron, when those vertices are not on the same edge. Informally, any sloping line is called diagonal.

The meaning of DIAGONAL is joining two vertices of a rectilinear figure that are nonadjacent or two vertices of a polyhedral figure that are not in the same face.

A diagonal is a line segment connecting the opposite vertices or the non-adjacent vertices of a polygon. Learn about the diagonals of polygons, examples, & more.

A line segment joining one corner to another but is not an edge is called a diagonal. In other words, a diagonal is a line that connects the opposite vertices of a polygon. Learn the definition, formula, …

Diagonal definition: connecting two nonadjacent angles or vertices of a polygon or polyhedron, as a straight line.. See examples of DIAGONAL used in a sentence.

For a polygon, a diagonal is a line segment joining two non-consecutive vertices (not next to each other). One of the diagonals is shown for polygons A and B below.

DIAGONAL definition: 1. A diagonal line is straight and sloping, not horizontal or vertical, for example joining two…. Learn more.

Jul 24, 2025 · What are Diagonals? Diagonal is a straight line connecting opposite vertices of any polygon is called the diagonal of the polygon. The length of the diagonal of the polygon is always …

Illustrated definition of Diagonal: Generally means corner to corner. In Geometry: a line segment that goes from one corner to another, but...

A line segment joining the two vertices or corners of the non-adjacent sides of a polygon is known as a diagonal. The corners must be opposite to each other for a diagonal.