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WikiMedia Commons

Wikimedia Commons ina media kuhusu:

Pembenne

• 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
• An extended classification of quadrilaterals Ilihifadhiwa 30 Desemba 2019 kwenye Wayback Machine. at Dynamic Math Learning Homepage Ilihifadhiwa 25 Agosti 2018 kwenye Wayback Machine.
• The role and function of a hierarchical classification of quadrilaterals Ilihifadhiwa 19 Julai 2011 kwenye Wayback Machine. by Michael de Villiers