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geometry > geometric figure > polytope > regular polytope > square
... > geometry > geometric figure > polygon > quadrilateral > kite > rhombus > square
... > geometry > geometric figure > polygon > quadrilateral > trapezoid > parallelogram > rhombus > square
... > geometry > geometric figure > polygon > quadrilateral > trapezoid > parallelogram > rectangle > square
... > geometry > geometric figure > polygon > quadrilateral > trapezoid > isosceles trapezoid > rectangle > square
... > geometry > geometric figure > polygon > quadrilateral > trapezoid > right trapezoid > rectangle > square
number > elementary arithmetic > operation > arithmetic operation > square
algebra > elementary algebra > operation > arithmetic operation > square

Preferred term

square  

Definition(s)

  • In Euclidean geometry, a square is a regular quadrilateral, which means that it has four equal sides and four equal angles (90-degree angles, π/2 radian angles, or right angles). It can also be defined as a rectangle with two equal-length adjacent sides. It is the only regular polygon whose internal angle, central angle, and external angle are all equal (90°), and whose diagonals are all equal in length. A square with vertices ABCD would be denoted ABCD.
    (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Square)

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http://data.loterre.fr/ark:/67375/PSR-GZD1CZ7Z-Q

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