Home›Browse›complete quadrangle🌐EnglishEnglishEspañolFrançaisPolskiPortuguêsSvenskaРусский中文日本語EntityQ3412598· pop 12· linked from 69 articlescomplete quadrangleSign in to saveAlso known as tetrastigm, complete quadrilateralfour points that determine six distinct linesAvailable in 12 languagesEspañolFrançais中文РусскийPortuguêsGreekMacedonianNorwegianSvenskaTamilUkrainianvia Wikidata sitelinks · CC0