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The square is an Imperial unit of area that is used in the construction industry in the United States and Canada, [1] and was historically used in Australia. One square is equal to 100 square feet. Examples where the unit is used are roofing shingles, metal roofing, vinyl siding, and fibercement siding products.
A sphere of radius r has surface area 4πr 2.. The surface area (symbol A) of a solid object is a measure of the total area that the surface of the object occupies. [1] The mathematical definition of surface area in the presence of curved surfaces is considerably more involved than the definition of arc length of one-dimensional curves, or of the surface area for polyhedra (i.e., objects with ...
The effective usable surface area, known as the "superficie Carrez", is the total enclosed floor area of an apartment or other construction discounting walls, partitions, staircases and stairwells, piping and electricity conduits and ducting, window and door embrasures. Parts of the enclosed area which are of less than 1.8 metres (5.9 ft) in ...
The projected area of the slopes they serve. The maximum allowable flow rate is 3 l/min/m² (projected surface area). They are connected to the sewage network by cylindrical downpipes for rainwater (E.P.) of various diameters or square/rectangular with different cross-sections (cm²).
Addition of distances is represented by a construction in which one line segment is copied onto the end of another line segment to extend its length, and similarly for subtraction. Measurements of area and volume are derived from distances. For example, a rectangle with a width of 3 and a length of 4 has an area that represents the product, 12 ...
In architecture, construction, and real estate, floor area, floor space, or floorspace is the area (measured in square metres or square feet) taken up by a building or part of it. The ways of defining "floor area" depend on what factors of the building should or should not be included, such as external walls, internal walls, corridors, lift ...
The proofs of the impossibility of these constructions, finally achieved in the 19th century, led to important principles regarding the deep structure of the real number system. Aristotle (384–322 BC), Plato's greatest pupil, wrote a treatise on methods of reasoning used in deductive proofs (see Logic ) which was not substantially improved ...
Comparison of floor area ratio (FAR) or floor space index (FSI) and building coverage ratio (BCR) Floor area ratio (FAR) is the ratio of a building's total floor area (gross floor area) to the size of the piece of land upon which it is built. It is often used as one of the regulations in city planning along with the building-to-land ratio. [1]