Area

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Area is the amount of space a two dimensional (flat) surface takes up. It is useful because it is how much of a material is needed to make a hollow container; for example, how much wood is needed to make a wardrobe.

You can use different formulas to find the area of different shapes.

The area of a flat object is related to the surface area and volume of a three-dimensional object.

The area under a curve can be found using integration, from calculus.

Some units used to measure area are square mile and square kilometre.