To determine how many cubes are needed to make the structure, I would need more information about its dimensions or a visual representation. If you can provide details about its height, width, and depth, or describe its shape, I can help calculate the total number of cubes required.
20 cubes
64
Infinitely many.
A rectangular prism that is 4 cubes by 2 cubes is made up of 8 cubes.
24 of them
18
You could try 14!
20 cubes
64
its 3
Infinitely many.
-4
A rectangular prism that is 4 cubes by 2 cubes is made up of 8 cubes.
about 10
25
24 of them
It depends on the size of the unspecified cube size, and what and how they are to be used? More information is needed.