Louis wants to carpet the rectangular floor of his basement. The basement has an area of 864 square feet. The width of the basement is its length. What is the length of Louis's basement?

If the width and length are the same, then all the sides are the same which makes it a square area of a square is s^2. take the square root of 864 to find the side app. 29.3 or 12 square root, of 6 don't know symbol for square root