Jun 21, 2026 · 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. How to use diagonal …

As applied to a polygon, a diagonal is a line segment joining any two non-consecutive vertices. Therefore, a quadrilateral has two diagonals, joining opposite pairs of vertices. For any convex …

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

A diagonal is a straight line that connects the opposite corners of a polygon through its vertices. In other words, the diagonal of a polygon is a line segment that joins any two non-adjacent corners. Different …

Define diagonal. diagonal synonyms, diagonal pronunciation, diagonal translation, English dictionary definition of diagonal. diagonal adj. 1. Mathematics a. Joining two nonadjacent vertices of a polygon. …

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.

The word “diagonal” is derived from ancient Greek word “diagonios”, where dia means “through” or “across”, gonia means “angle” and later adapted in Latin as “diagonus” meaning “slanting line”.

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

Diagonal 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. All the diagonals are shown …

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