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Q: What is the surface area of a rectangular prism with the dimensions 3in by 4in by 8in?

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The surface area of a cylinder prism has round shape and the surface of a rectangular prism has a square shape.

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Suppose that the area of the rectangular base is: lw then if the height is: h the surface area is: lw + lh + wh I believe that formula is for the surface area of a rectangular prism...

No.

Formula: S = 2B + L

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Surface area = 2lw + 2wh + 2hl

Given the surface area of a rectangular prism, there are infinitely many rectangular prisms possible.

For the same base dimensions (base area) and the same height, the rectangular prism has more surface area.

308 units cubed

It is not possible. For example, the prism could be tall and thin, or short and thick, and either way have the same surface area.

The surface area of a cylinder prism has round shape and the surface of a rectangular prism has a square shape.

You can't tell the dimensions of a rectangle from its area, or the dimensions of a prism from its volume.

surface area of a rectangular prism is the formula: 2lw+2wh+2lh

5x4x4 Volume=80 Surface Area=112

if 3x4 is dimension of rectangle and 5 is the altitude, then, 49.035 sq. units is its surface area

432cm3

136" sq

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