🌐EnglishEnglishDeutschEspañolFrançaisPolskiPortuguêsTürkçeРусскийالعربية日本語EntityQ918258· pop 14· linked from 6 articlesFagnano's problemoptimization problem about determining the inscribed triangle of minimal perimeter inside a given acute triangleWikidata factsImageFagnano problem.svgSources (2)wikidata.orgru.wikipedia.orgvia Wikidata · CC0Available in 14 languagesEspañolFrançaisDeutsch日本語РусскийPortuguêsFinnishGeorgianGreekHebrewConnectionsgeometryEntityInternational Standard Book NumberEntityCategoriesTriangle problems