English Descartes' theorem Cited by user Maxim Masiutin on 19 Dec 2023 In geometry, Descartes' theorem states that for every four kissing, or mutually tangent, circles, the radii of the circles satisfy a certain quadratic equation.
Spanish Teselado uniforme Cited by user Wiki LIC on 02 Sep 2023 En geometría, un teselado uniforme es un tipo de teselado del plano mediante polígonos regulares, que deben ser necesariamente vértice transitivos.
English 11 (number) Cited by user Radlrb on 20 Jan 2023 11 (eleven) is the natural number following 10 and preceding 12. It is the first repdigit.
English List of uniform polyhedra by Schwarz triangle Cited by user Double sharp on 10 Sep 2022 There are many relationships among the uniform polyhedra. The Wythoff construction is able to construct almost all of the uniform polyhedra from the acute and obtuse…