You can make a rectangle by using two squares
Q: How many letters of alphabet can you make using 5 squares?
five
12
Using all 13 squares, and not counting different orientations, only one.
2
The answer depends on their relative dimensions.
6 sides are needed
You need 4 rectangles and two squares * * * * * No, you do not need to have squares: there can be six rectangles - as in a brick shape.
2 squares and 4 rectangles * * * * * 6 rectagles in three pairs. The ends need not be squares.
You can make a rectangle by using two squares
Q: How many letters of alphabet can you make using 5 squares?
8 with 3 left over
5
five
12
You can do it ten times, I had an assignment and we had to make ten rectangular prisms 10 times