🌐EnglishEnglishDeutschEspañolFrançaisNederlandsTiếng ViệtРусскийالعربيةไทย中文日本語EntityQ1613856· pop 20· linked from 29 articlesHeronian triangletriangle that has side lengths and area that are all integersAvailable in 20 languagesEspañolFrançaisDeutsch中文日本語РусскийالعربيةBosnianCatalanEsperantoFinnishConnectionscoprimeEntityincircle and excircles of a triangleEntityCategoriesArithmetic problems of plane geometryTriangles named after peopleTypes of triangles