🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPortuguêsSvenskaTürkçeРусскийالعربية한국어中文日本語EntityQ2390323· pop 19· linked from 212 articlesunit diskAlso known as open unit disk, unit discset of points at distance less than one from a given pointAvailable in 19 languagesEspañolFrançais中文日本語РусскийالعربيةChuvashEsperantoEstonianGalicianHebrewConnectionsEuclidean distanceEntitytaxicab geometryEntityCategories1 (number)Circles