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  1. Quadrilaterals - Square, Rectangle, Rhombus, Trapezoid, Parallelogram

    Quadrilateral just means four sides (quad means four, lateral means side). A Quadrilateral has four-sides, it is 2-dimensional (a flat shape),...

  2. Quadrilateral - Wikipedia

    In geometry a quadrilateral is a four-sided polygon, having four edges (sides) and four corners (vertices). The word is derived from the Latin words quadri, a variant of four, and latus, meaning "side".

  3. Quadrilateral Shapes and Facts - Science Notes and Projects

    Jul 18, 2023 · In geometry, a quadrilateral is a two-dimensional closed shape or polygon that has four straight sides, four corners or vertices, and four interior angles. The sum of the interior angles is 360 …

  4. Quadrilaterals - Definition | Meaning | Types | Quadrilateral Shape

    A quadrilateral is a polygon with four sides four angles and four vertices. Learn about the quadrilateral shape, its properties, the types, area of quadrilaterals and some solved examples.

  5. Intro to quadrilateral (video) | Khan Academy

    A quadrilateral is defined as a two-dimensional shape with four sides, four vertices, and four angles. There are two main types: concave and convex. There are also various subcategories of convex …

  6. Quadrilateral, its Sides, Diagonals & Types of Quadrilateral

    Nov 17, 2025 · What is a Quadrilateral its diagonals, adjacent sides, opposite sides and different types of quadrilateral? Learn by solved examples, FAQs and MCQs.

  7. Quadrilaterals (video lessons, examples and solutions)

    What Is A Quadrilateral? Quadrilaterals are two-dimensional four-sided polygons on a plane. Quadrilaterals have the following properties: four sides, two diagonals, four internal angles (or …

  8. Quadrilateral - Math.net

    Quadrilateral A quadrilateral is a polygon that has four sides. The following are a few examples. Parts of quadrilateral Quadrilateral ABCD, shown below, has the following properties: Four sides: AB, BC, …

  9. Quadrilateral (also: tetragon, quadrangle) - math word definition ...

    Quadrangle ("four angles") is another name for a quadrilateral. However, it is a word often used for an open space where people gather, say on a school or university campus.

  10. Quadrilateral - Math Steps, Definition, Examples & Questions

    Free quadrilateral step-by-step topic guide, including the definition, properties, step-by-step examples, free practice questions, and more!