About 286,000 results
Open links in new tab
  1. 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".

  2. 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),...

  3. Quadrilateral – Definition, Properties, Types, Formulas, Examples

    Jun 8, 2024 · What shape is a quadrilateral in geometry – find out its facts, definition and properties along with its types, examples and diagrams

  4. 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 …

  5. 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.

  6. Quadrilaterals – Definition, Types, Properties & Examples

    Quadrilaterals are among the most fundamental shapes in geometry. Though simple in appearance, they form the basis of countless mathematical ideas and appear constantly in real life, from floor tiles …

  7. 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!

  8. Quadrilateral - Definition, Types, Properties, Interactives and ...

    Nov 14, 2025 · Types of Quadrilaterals and their Properties There are many common special quadrilaterals that you should be familiar with. Below, these special quadrilateral are described with …

  9. 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 …

  10. 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, …