How to find the surface area of a prism
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ISEE Upper Level Quantitative Reasoning › How to find the surface area of a prism
Questions 1 - 2
1
Find the surface area of a non-cubic prism with the following measurements:
Explanation
The surface area of a non-cubic prism can be determined using the equation:
2
The above diagram shows a rectangular solid. The shaded side is a square. In terms of 
Explanation
A square has four sides of equal length, as seen in the diagram below.
All six sides are rectangles, so their areas are equal to the products of their dimensions:
Top, bottom, front, back (four surfaces):
Left, right (two surfaces):
The total surface area:
