A quadrilateralMathworldPlanetmath is a four-sided polygonMathworldPlanetmathPlanetmath.

Very special kinds of quadrilaterals are parallelogramsMathworldPlanetmath (squares, rhombuses, rectanglesMathworldPlanetmath, etc.), although cyclic quadrilateralsMathworldPlanetmath are also interesting on their own. Notice however, that there are quadrilaterals that are neither parallelograms nor cyclic quadrilaterals.

Title quadrilateral
Canonical name Quadrilateral
Date of creation 2013-03-22 12:02:18
Last modified on 2013-03-22 12:02:18
Owner drini (3)
Last modified by drini (3)
Numerical id 8
Author drini (3)
Entry type Definition
Classification msc 51-00
Related topic CyclicQuadrilateral
Related topic Rhombus
Related topic ParallelogramLaw
Related topic Rectangle
Related topic Kite
Related topic Square
Related topic Parallelogram