To calculate the surface area of a rectangular prism, calculate and add together the surface areas of all its faces. Performing this calculation takes just a few minutes. More »

The surface area of a rectangular prism is the combined surface areas of all six of its sides. Because opposing sides are always the same size, the total surface can be determined by using the length, width and height of... More »

To find the surface area of a rectangular prism, find its length, width and height. Multiply width times height, length times width, and length times height. Add the three products together, and multiply the sum by two. ... More »

The surface area of a rectangular prism is the combined surface areas of all six of its sides. Because opposing sides are always the same size, the total surface can be determined by using the length, width and height of... More »

To draw a rectangular prism, determine what direction you want it to face, draw the two ends and connect them with lines using the vanishing point and other principles of perspective. A prism has perfect edges and faces,... More »

Surface area is calculated by adding up all of the areas of the shapes that make up the surface of the object. The formula for calculating surface area differs with the type of object. It is vital to ensure that all unit... More »

An octagonal prism has two octagon faces on either side, connected with eight rectangular faces for a total of 10 faces. An octagonal prism is the three-dimensional projection of a two-dimensional octagon, an eight-sided... More »