Definition of surface area Surface area
We found 2 definitions of surface area from 2 different sources.
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What does surface area mean?
Wiktionary 
- surface area (Noun)
The total area on the surface of a three-dimensional figure.
Wikipedia 
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Surface area is the amount of space covering the outside of a three-dimensional (3D) object. The surface area of a polyhedron is found by finding the sum of the area of all of the faces. The surface area is found between many three-dimensional shapes using formulas.
The surface area is useful because it tells you how much material is required in order to cover the object -- for example, how much paint is needed to paint a table.
