Area can be described in every day terms as the number of unit squares that can be fitted into a 2 dimensional surface. It is measured in unit squares, for example cm 2 , m 2 …, square inches, square miles, etc. A mathematically acceptable definition of area is complex. See Wikipedia link below for more details on this. The area of some common shapes an be calculated using the formulas: .
Area of a rectangle = Width x Length .
Area of a circle = Î r 2 where r is the radius .
Area of an ellipse = Î ab where a is the semi-major axis and b is the semi minor axis. Please look at the alternates and fix them up. area is the number of units of square measure within a plane figure By: karacaitlin janer school:industrial valley elementary school (IVES) Area is the quantity that expresses theextent of a two-dimensional figure or shape, or planar lamina, inthe plane. Surface area is its analog on the two-dimensionalsurface of a three-dimensional object. Area can be understood asthe amount of material with a given thickness that would benecessary to fashion a model of the shape, or the amount of paintnecessary to cover the surface with a single coat.It is thetwo-dimensional analog of the length of a curve (a one-dimensionalconcept) or the volume of a solid (a three-dimensionalconcept). ( Full Answer )