🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTürkçeРусскийالعربيةفارسیहिन्दी한국어中文日本語EntityQ177409· pop 48· linked from 629 articlesprojective geometrytype of geometryArticleThree-dimensionalFour - other-dimensionalRead full article (230 paragraphs)Gallery (3)Available in 46 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةहिन्दीConnectionsaxiomEntityparallelogramEntityCategoriesGeometryProjective geometry