This math skill teaches how to calculate the surface area of a rectangular prism by finding the area of each face (noting that opposite faces are identical) and summing these areas to get the total surface area.
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Surface area of a rectangular prism
Test your understanding of surface area of a rectangular prism by practicing it! Work through the below exercises to use it in practice.
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What is the surface area of this rectangular prism?
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We can find the area of each face, noticing that opposite faces are identical. So the left and right faces are both 4 by 5, and so on.
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Then we can just do the calculation and add up the side areas for a total surface area of 184