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  1. DIAGONAL Definition & Meaning - Merriam-Webster

    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.

  2. Diagonal - Wikipedia

    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 …

  3. DIAGONAL | English meaning - Cambridge Dictionary

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

  4. What is a Diagonal - Meaning, Examples | Diagonal Line - Cuemath

    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.

  5. Diagonal Definition (Illustrated Mathematics Dictionary)

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

  6. Diagonal - Math.net

    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.

  7. Diagonal: Definition and Examples - EDU.COM

    A diagonal is a line segment that connects two non-adjacent vertices (or corners) of a polygon. In simpler terms, it joins two corners that aren't already connected by an edge of the shape.

  8. diagonal - WordReference.com Dictionary of English

    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.

  9. DIAGONAL definition in American English | Collins English …

    A diagonal line or movement goes in a sloping direction, for example, from one corner of a square across to the opposite corner. ...a pattern of diagonal lines.

  10. Diagonals - Definition, Examples, Quiz, FAQ, Trivia

    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 …