The surface area of a rectangular prism is covered with six rectangles.Although we don't have to figure out all six of them since top and bottom are the same, right and left are the same, and also front and back of it is the same. Height, lenght, width are the lenghts of the 3 sides.

The surface area of a cube is the area of six squares that covers the whole thing. The formula of the surface area of a rectangular prism and a cube is the same.

Area of Top and Bottom = 2(L x W) Area of Front and Back = 2(H x L) Area of Both Sides = 2(H x W) The whole formula of the surface area of the rectangle is 2(lxw)+2(hxl)+2(hxw)

An example of surface area;

The volume of a rectangular prism and a cube can be found by the formula:

volume=length x width x height or bxh

An example would be;

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