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area

area measure of the size of a surface region, usually expressed in units that are the square of linear units, e.g., square feet or square meters. In elementary geometry, formulas for the areas of the simple plane figures and the surface areas of simple solids are derived from the linear dimensions of these figures. Examples are given in the table entitled Formulas for Various Areas . The areas of irregular figures, plane or solid, can be computed or closely approximated by the use of integral calculus .

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"area." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. (December 15, 2009). http://www.encyclopedia.com/doc/1E1-area.html

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area

The Concise Oxford Dictionary of English Etymology | 1996 | | Â© The Concise Oxford Dictionary of English Etymology 1996, originally published by Oxford University Press 1996. (Hide copyright information) Copyright

area clear open space; superficial extent XVI; enclosed court XVII. — L. ārea vacant piece of ground.

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T. F. HOAD. "area." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 15 Dec. 2009 <http://www.encyclopedia.com>.

T. F. HOAD. "area." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (December 15, 2009). http://www.encyclopedia.com/doc/1O27-area.html

T. F. HOAD. "area." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved December 15, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O27-area.html

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area

World Encyclopedia | 2005 | Â© World Encyclopedia 2005, originally published by Oxford University Press 2005. (Hide copyright information) Copyright

area Two-dimensional measurement of a plane figure or body (such as this page) given in square units, such as cm² or m². The area of a rectangle of sides a and b is ab; the areas of triangles and other polygons can be determined using trigonometry. Areas of curved figures and surfaces can be determined by integral calculus.

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"area." World Encyclopedia. 2005. Retrieved December 15, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-area.html

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