Posted by **Alex** on Thursday, February 24, 2011 at 10:43pm.

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 -
**MathMate**, Friday, February 25, 2011 at 7:06am
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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