🌐日本語EnglishEspañolFrançaisPolskiPortuguêsРусскийالعربيةไทย中文日本語EntityQ6042609· pop 9· linked from 28 articles整数三角形三辺が算術整数列を成すヘロン三角形Available in 9 languagesEspañolFrançaisРусскийPortuguêsPolskiSlovenianUkrainianไทยvia Wikidata sitelinks · CC0Connectionsincircle and excircles of a triangleEntitysimilarityEntityCategoriesArithmetic problems of plane geometryDiscrete geometrySquares in number theoryTypes of triangles