Answer:
Step-by-step explanation:
We all know that the volume of a cube can be shown as:
V=s^3
now the volume of nine cubes is:
V=9*s^3
now, we know that the edge length is 0.5 ft, thus, lets find the volume of the figure:
V=9*s^3
V=9*0.5^3
V=9*0.125
V=1.125
Hence, the answer is 1.125 ft^3