🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoPortuguêsTürkçeРусский한국어中文日本語EntityQ306542· pop 15· linked from 21 articlestransformation geometrystudy of geometry focusing on groups of geometric transformationsAvailable in 15 languagesEspañolFrançaisDeutsch中文日本語PortuguêsItalianoBahasa IndonesiaDanishHungarianTürkçeConnectionscongruenceEntityreflectionEntityCategoriesFields of geometryGeometry educationSymmetry