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.

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.

6 days ago · 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.

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

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

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.

Jul 23, 2025 · A diagonal is a slant line that joints two alternate sides of any polygon and finding its length is very important for solving various problems of geometry. There are different ways for finding …

Jul 24, 2025 · Diagonal of any polygon is the line segment joining the vertices of the polygon that are not on the same edge. The length of the polygon depends on the type of polygon.

A diagonal is a straight line that connects two non-adjacent corners (vertices) in a polygon. In simpler terms, it's a line that goes across a shape from one corner to another corner that isn't right next to it.

Find out the length of the square's diagonal with our diagonal of a square calculator. Check out below how to find the diagonal of a square formula, or simply give our tool a try - you won't be disappointed.