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area definition math. For example two sheets of paper have twice the area of a single sheet because there is twice as much space to write on. In geometry area is the amount of space a flat shape -- figures like a polygon circle or ellipse -- takes up on a plane.
The perimeter is the sum of lengths for all the sides. This area is the region occupied the shape in a two-dimensional plane. Area is defined as the number of square units that covers a closed figure.
For the figures with straight sides such as triangle rectangle square or a polygon.
For spheres calculate the surface area if you. 1 square metre 10 000 square centimetres 1 hectare 10 000 square metres 1 square kilometre 100 hectares Abbreviations square centimetre cm 2 square metre m 2 hectare ha square kilometre km 2. Area Definition in Math. Any geometrical shape has its own area.