Answer:
dont rlly inderstand this need more understanding
Step-by-step explanation:
(Square)
Base length-6 units
Height-4 units
Volume-48 cubic units
Volume of 4 square pyramids-192 cubic units
(Rectangular)
Base length-12 units
Base width-8 units
Height-6 units
Volume-192 cubic units
(What I got. Though the answers vary because there's a bunch of ways to do it. This is just one. Hope it helps)