<prompt> Ho na le likarolo tse kae ka hara matrix a khutlo-tharo ea taelo ea 3?nan  <response>: Instruction in English: How many elements are there in a triangular matrix of order 3? . Response in English: A triangular matrix of order 3 has 6 elements. . Response in Sesotho: Matrix a khutlo-tharo ea taelo ea 3 e na le likarolo tse 6. 