🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTiếng ViệtTürkçeРусскийالعربيةفارسی中文EntityQ1147532· pop 28· linked from 13 articlesmissing square puzzleoptical illusion used in mathematicsWikidata factsImageParadoja del cuadrado perdido 10.svgvia Wikidata · CC0Available in 27 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsItalianoالعربيةArmenianAzerbaijaniConnectionsmathematicsEntityNew York CityCityCategoriesElementary mathematicsFibonacci numbersGeometric dissectionMathematical paradoxesOptical illusionsRecreational mathematics