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A rectangular prism that is 4 cubes by 2 cubes is made up of 8 cubes.
The answer obviously depends on the size of the prism!
To determine how many small cubes are needed to fill a right rectangular prism, you first need to calculate the volume of the prism by multiplying its length, width, and height. Then, calculate the volume of one small cube by cubing its side length. Finally, divide the volume of the prism by the volume of the small cube to find the total number of cubes required.
Rectangular prism = 6Triangular prism = 5 Triangular pyramid = 4 Rectangular prism: it is still 6 Rectangular pyramid = 5.
There are 12 sides on a rectangular prism.