DescriptionConvex quadrilateral.svg Based on Image:Convex quadrilateral.png which was extacted from Image:Quadrilateral.png Date 24 June 2008, 19:58 (UTC)...
en:Simple, convex Quadrilateral. //Due to lack of categorization have been unable to find if there already were something similar. lv:Neregulārs četrstūris...
Ending problem]]: every set of five points in general position contains a convex quadrilateral. Replacement for [[:Image:Happy-End-problem.png]]. English...
diagram of different types of convex quadrilaterals. French Diagramme de Venn de différent types de quadrilatères convexes. Wikimedia username: Cdang author...
DescriptionConvex quadrilateral.png Extacted from Image:Quadrilateral.png Date 3 February 2008 (original upload date) Source No machine-readable source...
under the following license: English Two line segments form a triangular convex hull. author name string: OfficialURL Wikimedia username: OfficialURL URL:...
Graph with German caption on how to find the center of gravity of a convex quadrilateral. Wikimedia username: Theosch author name string: Theosch URL: https://commons...
DescriptionVarignon parallelogram convex.svg English: Varignon parallelogram for a convex quadrilateral. Русский: Вариньоновый параллелограмм на выпуклом...
DescriptionQuadrilateral general.svg a general (convex) quadrilateral Date 3 October 2006 (original upload date) Source No machine-readable source provided...
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 1.6 Quadrilaterals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....