Calculate the volume of the prism by first finding the total number of half-unit cubes that will fill it. There are 8 half-unit cubes in every unit cube.
A. Number of half-unit cubes = 18
V = 9 cubic units
B. Number of half-unit cubes = 9
V = 4 1/2 cubic units
C. Number of half-unit cubes = 9
V = 2 1/4 cubic units
D. Number of half-unit cubes = 18
V = 2 1/4 cubic units