http://www.1-formula.com/mathematical-formulas/area-formulas.html Surface Area Formulas In general, the surface area is the sum of all the areas of all the shapes that cover the surface of the object. en-us Sat, 11 Oct 2008 21:27:30 GMT Sun, 1 Mar 2009 20:02:12 GMT www.1-formula.com www.1-formula.com http://www.1-formula.com/mathematical-formulas/area-formulas/circle-area.html Circle is a simple shape of Euclidean geometry figure. Area of a circle, formula for area explained with examples, pictures, interactive examples and quiz. Sun, 1 Mar 2009 20:02:12 GMT http://www.1-formula.com/mathematical-formulas/area-formulas/circle-area.html http://www.1-formula.com/mathematical-formulas/area-formulas/square-area.html Square - two-dimensional figure with four straight sides, whose four interior angles are right angles (90°), and whose four sides are of equal length. Fri, 2 Jan 2009 15:14:33 GMT http://www.1-formula.com/mathematical-formulas/area-formulas/square-area.html