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The bases of a rectangular prism are squares whose perimeters are 36 inches. If the height of the prism is 8 inches, what is the surface are of the prism?

  • Math -

    The surface area of a prism consists of two parts:
    1. area of the bases
    2. area of the sides.
    Even without knowing the dimensions of the bases, the area of the sides can be calculated if the perimeter is known:
    Side area
    = perimeter of base * height
    = 36 inches * 8 inches
    = 288 square inches.

    Since the area of the bases are not known, you can only calculate the area of the sides, which is probably the answer required.

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