An infinite number of them.
Here are a few:
0.1 x 4.9
0.2 x 4.8
0.3 x 4.7
0.4 x 4.6
0.5 x 4.5
0.9 x 4.1
1 x 4
1.5 x 3.5
2 x 3
2.4 x 2.6
2.41 x 2.59
2.42 x 2.58
2.43 x 2.57
2.4300001 x 2.5699999
2.4300002 x 2.5699998
2.4300003 x 2.5699997
.
.
etc.
10
That two different shapes may well have the same perimeter, but different areas. As an example, a 3 x 1 rectangle and a 2 x 2 rectangle have the same perimeter, but the area is different.
a rectangular prism
Any prime can be made into only one rectangle. Any composite number can always be made into at least two different rectangles.
A cuboid.
180
Assuming that you have to use all the rectangles, you have a few options:1x453x155x9Therefore, you are able to make three different rectangles.
10
two, squares and rectangles
technically the number is infinite
The Cubi Series is made up of cubes and 3d rectangles. those cubes and rectangles are made of stainless steel.
That two different shapes may well have the same perimeter, but different areas. As an example, a 3 x 1 rectangle and a 2 x 2 rectangle have the same perimeter, but the area is different.
a rectangular prism
Any prime can be made into only one rectangle. Any composite number can always be made into at least two different rectangles.
circle
6 rectangles an 2 hexagon * * * * * A hexagonal prism.
You can make 24 rectangles of 1 x 1 tiles each.