2lw + 2lh + 2wh
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well, they can, but they dont have to be no. :)
The surface area of a rectangular prism can be calculated by adding the areas of all six faces. The formula for the surface area of a rectangular prism is 2lw + 2lh + 2wh, where l, w, and h represent the length, width, and height of the prism, respectively. This formula accounts for the two faces of each dimension (length, width, and height) on the rectangular prism.
its not i dont no why
The formula will depend on what it is that you are trying to find: the volume or the surface area.
u have to find the surface area for individual sides. so lxw for each individual side