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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. 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 flat ...
In physiology and medicine, the body surface area ( BSA) is the measured or calculated surface area of a human body. For many clinical purposes, BSA is a better indicator of metabolic mass than body weight because it is less affected by abnormal adipose mass.
Specific surface area ( SSA) is a property of solids defined as the total surface area (SA) of a material per unit mass, [1] (with units of m 2 /kg or m 2 /g). Alternatively, it may be defined as SA per solid or bulk volume [2] [3] (units of m 2 /m 3 or m −1 ).
El área de superficie total de un sólido es la suma de las áreas de todas las caras o superficies que encierran el sólido. Las caras incluyen las cimas y los fondos (bases) y las superficies restantes. El área lateral de superficie de un sólido es el área de superficie del sólido sin las bases. Imagine una lata de sopa. Corte la cima y ...
The surface area, S, of a right cone is: S = πr 2 + πrl. where r is the radius of the base and l is the slant height. If the height of the cone is given, the surface area is: where h is the height of the right cone. In both these formulas, πr 2 is the area of the base and πrl or is the area of its lateral surface.
Mar 27, 2022 · Definition: Surface Area. The surface area of a polyhedron is the number of square units that covers all the faces of the polyhedron, without any gaps or overlaps. For example, if the faces of a cube each have an area of 9 cm 2, then the surface area of the cube is 6 ⋅ 9 6 ⋅ 9, or 54 cm 2.
Dictionary English-Spanish. surface area noun (plural: surface areas) superficie f (almost always used) (plural: superficies f) less common: área superficial f. Examples: body surface area n — superficie corporal f. total surface area n — superficie total f. área superficial total f. See also: surface — de superficie. de la superficie.
