Home›Elementary geometry›球殻🌐日本語EnglishDeutschEspañolFrançaisItalianoPortuguêsTiếng ViệtРусский中文日本語EntityQ12137· pop 11· linked from 13 articles球殻Region between two concentric spheres of differing radiiAvailable in 11 languagesEspañolDeutschРусскийPortuguêsItalianoBasqueCatalanEsperantoTiếng ViệtUkrainianvia Wikidata sitelinks · CC0ConnectionsgeometryEntityInternational Standard Book NumberEntityCategoriesElementary geometryEuclidean solid geometryGeometric shapesSpherical geometry