The volume of a cuboid is 729 ft^{3}. Its height is 9 ft. It has a square base. Find the length of the square base.

The length of the square base is ft.

Area of the square base of a cuboid= volume ÷ height

= 729 ÷ 9

= 81 ft^{2}

Length of the square base

= = 9 ft