Question

There are 81 members in the marching band. The director wants to arrange the band members in rows and columns so that there are an equal number of people in each row and column. How many rows and columns would there be? ________ rows ________ columns

Answer 1

81 is a perfect square root


`√(81)` = +/- 9
we take away the negative value

simply 9 rows and 9 columns.

Answer 2

9 rows and 9 columns