Home›Browse›ruled surface🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsРусскийالعربيةفارسی한국어中文日本語EntityQ840376· pop 26· linked from 92 articlesruled surfaceSign in to savesurface through every point of which runs a straight line which equally is on the surfaceAvailable in 25 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةArmenianBulgarianCatalanChuvashCzechEstonianGreekHebrewHungarianShow 6 moreKannadaNederlandsPolskiSlovenianUkrainianفارسیvia Wikidata sitelinks · CC0