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  1. Rectangle - Wikipedia

    A rectangle in the plane can be defined by five independent degrees of freedom consisting, for example, of three for position (comprising two of translation and one of rotation), one for shape (aspect ratio), …

  2. RECTANGLE Definition & Meaning - Merriam-Webster

    The meaning of RECTANGLE is a parallelogram all of whose angles are right angles; especially : one with adjacent sides of unequal length. How to use rectangle in a sentence.

  3. What is Rectangle? Definition, Examples, Formula, Facts

    Rectangle is a quadrilateral in which all 4 angles are right angles; opposite sides parallel and equal. Learn properties, formulas for area and perimeter & more.

  4. Rectangle | Definition, Properties, Formulas - GeeksforGeeks

    Jul 23, 2025 · A rectangle is a closed quadrilateral in which the sides are equal and parallel, there are various formulas that are used to find various parameters of the rectangle.

  5. Rectangle Definition (Illustrated Mathematics Dictionary)

    Illustrated definition of Rectangle: A 4-sided flat shape with straight sides where all interior angles are right angles (90deg;). Also opposite sides...

  6. RECTANGLE | definition in the Cambridge English Dictionary

    The area of a rectangle is its height times its width. The rectangle is 5 cm long and 1.9 cm wide.

  7. Rectangle Calculator

    Aug 1, 2025 · Calculator online for a rectangle. Calculate the unknown defining areas, diagonals and angles with any three known variables. Online calculators and formulas for an rectangles and other …

  8. All About Rectangles - Definition, Examples, Formulas

    Like a square, a rectangle is a two-dimensional (or flat) shape with four sides and four right angles. By a rectangle’s definition, opposite sides must be equal and parallel to each other.

  9. Rectangle Sides, Diagonals, and Angles -properties, rules by Example

    A rectangle is a parallelogram with 4 right angles. Now, since a rectangle is a parallelogram, its opposite sides must be congruent and it must satisfy all other properties of parallelograms

  10. Rectangle – Definition, Shape, Properties, Formulas, Types

    Jun 21, 2024 · A rectangle is a shape with four right angles and opposite sides that are parallel and equal. Explore its properties, learn how to calculate its area and perimeter, and more.