A matrix whose number of rows is equal to the number of its columns is called a ________.
A PT teacher wants to arrange maximum possible number of 6000 students in a field such that the number of rows is equal to the number of rows is equal to the number of columns. Find the number of rows if 71 were left out after arrangement.
If the number of rows and columns of a matrix are equal, then the matrix is called ___ matrix.
If the number of rows and columns of a matrix are not equal, then the matrix is called ___ matrix.