🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ1196538· pop 21· linked from 32 articlesDescartes' theoremtheoremConnectionscircleEntityincircle and excircles of a triangleEntityCategoriesAnalytic geometryCircle packingEuclidean plane geometryTheorems about circles