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'''Surface area''' is the exposed [[area]] of an object. [[Surface to volume ratio]] plays a significant role in physical chemistry and in biology. Don't forget to count the bottom of the object!
'''Surface area''' is the exposed [[area]] of an object. [[Surface to volume ratio]] plays a significant role in physical chemistry and in biology.


Surface area is generally determined by adding the sums of the areas of a 3-dimensional figure's faces. In a cylinder, the area is 2πr²+2πrh.
Surface area is generally determined by adding the sums of the areas of a 3-dimensional figure's faces. In a cylinder, the area is 2πr²+2πrh.

Revision as of 00:34, 22 May 2009

Surface area is the exposed area of an object. Surface to volume ratio plays a significant role in physical chemistry and in biology.

Surface area is generally determined by adding the sums of the areas of a 3-dimensional figure's faces. In a cylinder, the area is 2πr²+2πrh.