Home›Euclidean geometry›British flag theorem🌐EnglishEnglishDeutschPortuguêsTiếng ViệtTürkçeالعربيةفارسی中文EntityQ4971339· pop 12· linked from 5 articlesBritish flag theoremon distances from opposite corners to a point inside a rectangleAvailable in 11 languagesDeutsch中文PortuguêsالعربيةFinnishGreekTamilTiếng ViệtTürkçeConnectionsUnited KingdomCountryareaEntityCategoriesEuclidean geometryPythagorean theoremTheorems about quadrilaterals