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.

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.

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In geometry, a diagonal is a straight line that joins two opposite corners in a flat four-sided shape such as a square. Mark five points an equal distance apart along the diagonals. Collins …

Mathematics connecting two angles that are not next to each other, such as at opposite corners of a square: a diagonal line. having an oblique or slanting direction: diagonal stripes.

DIAGONAL definition: See examples of diagonal used in a sentence.

Diagonal definition: Having a slanted or oblique direction.

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.