# surface area formula (pi = pi = 3.141592.) 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. 1 day ago - This lesson provides a comprehensive list of surface area formula of some basic geometry figures such as the cube, the cylinder, the pyramid, . Areas. square = a2. rectangle = ab. parallelogram = bh. trapezoid = h/2 (b1 + b2) . [s(s-a)(s-b)(s-c)] when s = (a+b+c)/2 (Heron's formula) . Surface Areas. If a solid is composed of flat surfaces, such as the cube on the right, the surface area is simply the sum of the areas of the flat surfaces (called faces). So, for . Where r is the radius of the sphere. In the figure above, drag the orange dot to change the radius of the sphere and note how the formula is used to calculate the . a table of surface area formulas and volume formulas used to calculate the surface area and volume of three-dimensional geometrical shapes: cube, cuboid, . Calculating the surface area of an ellipsoid does not have a simple, exact formula such as a cube or other simpler shape does. The calculator above uses an . Jump to Common formulas - Surface areas of common solids . B = the area of one base, P = the perimeter of one base, h = height. Sphere, 4 π r 2 = π d 2 .