Quadrilateral

Cithakan:Infobox Polygon Sajeroning géomètri (Euclidean, quadrilateral utawa quarangle utawa tetragon iku sawijining wangun segi akèh polygon kanthi papat sisi (utawa 'rusuk') lan papat pojok. Tembung quadrilateral asal saka tembung quad (tegesé "papat") lan lateral (tegesé "sisih").

Quadrilateral iku poligon sing bisa awujud prasaja utawa komplèks. Quadrilateral bisa awujud convex utawa concave.

Pranala njaba

• Cithakan:MathWorld
• Compendium Geometry Analytic Geometry of Quadrilaterals
• Quadrilaterals Formed by Perpendicular Bisectors, Projective Collinearity and Interactive Classification of Quadrilaterals from cut-the-knot
• Definitions and examples of quadrilaterals and Definition and properties of tetragons from Mathopenref
• A (dynamic) Hierarchical Quadrilateral Tree Cithakan:Webarchive at Dynamic Geometry Sketches Cithakan:Webarchive
• An extended classification of quadrilaterals Cithakan:Webarchive at Dynamic Math Learning Homepage Cithakan:Webarchive
• The role and function of a hierarchical classification of quadrilaterals Cithakan:Webarchive by Michael de Villiers