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Surface Area of a Cube

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The total surface area (TSA) of a cube is the sum of the areas of its six faces. That is:
**natttt***Posted on 2011-01-24 20:00:56*

TSA = 6 * l^2

Example: Find the total surface area of a box whose edges are all 3.5 cm long.

TSA = 6 * l^2

TSA = 6 * 3,5^2

TSA = 6 * 12,25

TSA = 73,5 cm^2

So, the total surface area is 73,5 cm^2

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