Area is the measure of how much exposed area any two dimensional object has. It is expressed in square units, and is calculated by adding together the areas of all the faces of the object.
Minkowski content Geometric measure theory Synthetic geometry Henri Lebesgue Face (geometry) Reaction rate Hermann Minkowski Chemical kinetics Antiderivative Combustion Fractal Cell membrane Integral Derivative Sphere Pythagoras Cell (biology) Chemical reaction Iron Area