A square inch is by definition the area enclosed by a square with sides each 1 inch long.-1... In plane geometry, a square is a polygon with four equal sides and equal angles. ... Mid-19th century tool for converting between different standards of the inch An inch is an Imperial and U.S. customary unit of length. ...
Square kilometre (US spelling: Square kilometer), symbol km², is an SI unit of surface area. ... A hectare (symbol ha) is a unit of area, equal to 10,000 square meters, commonly used for measuring land area. ... For the municipality in Sweden, see Ã re; for the boroughtown and rural municipality in Estonia see Are; for the language from Papua New Guinea see Are For the ARE see either Arab Republic of Egypt or Association for Research and Enlightenment An are (symbol a) is a unit of area. ... A square metre (US spelling: square meter) is by definition the area enclosed by a square with sides each 1 metre long. ... cm redirects here, alternate uses: cm (disambiguation) A centimetre (symbol cm; American spelling: centimeter) is an SI unit of length. ... This article is about the unit of measure known as the yard. ... A square foot is by definition the area enclosed by a square with sides each 1 foot long. ... An acre is an English unit of area. ... A square mile is the area equal to a square with sides each 1 mile long. ...
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