🌐EnglishEnglishDeutschEspañolItalianoNederlandsTiếng ViệtРусскийالعربية한국어日本語EntityQ7577104· pop 12· linked from 17 articlesSpieker centercenter of mass of a triangle’s perimeterConnectionscenter of massEntityincircle and excircles of a triangleEntityCategoriesTriangle centers