Answer:
1. 80m^3 2. 120 in^3 3. 72 cm^3
Step-by-step explanation:
1. Simply just multiple all the lengths of sides together
2. Multiple all of them, and then divide by 2 (since it is half of a rectangular prism)
3. Separate the prism into 3 parts. The middle figure is 6 by 4 by 2. The triangles are 3 by 4 by 2. By adding them together, we get
