<em /><u>The volume of the smaller cube: </u>Volume of a cube = Length³ <u></u>Volume of a cube = 1³ = <u>1 ft</u>.³ <u>The volume of the larger cuboid: </u>Volume of a cuboid = Length × Width × Height Volume of a cuboid = 13 × 7 × 8 = 728 ft.³
<u>The volume of the composed figure: </u>728 ft³ + 1 ft.³ = 729 ft³