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... > geometry > geometric figure > polygon > quadrilateral > trapezoid > parallelogram > rectangle
... > geometry > geometric figure > polygon > quadrilateral > trapezoid > isosceles trapezoid > rectangle
... > geometry > geometric figure > polygon > quadrilateral > trapezoid > right trapezoid > rectangle

Preferred term

rectangle  

Definition

  • In Euclidean plane geometry, a rectangle is a quadrilateral with four right angles. It can also be defined as: an equiangular quadrilateral, since equiangular means that all of its angles are equal (360°/4 = 90°); or a parallelogram containing a right angle. A rectangle with four sides of equal length is a square. The term "oblong" is occasionally used to refer to a non-square rectangle. A rectangle with vertices ABCD would be denoted as ▭ ABCD.
    (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Rectangle)

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http://data.loterre.fr/ark:/67375/PSR-GLJML5ZS-Z

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