SOLID GEOMETRY

Three Dimensions

It is called three-dimensional, or 3Dbecause there are three dimensions:width, depth and height.

Cubes

                              

Form 1

Volume of the cube = s³

Form 2
^{Surface area of cube =} 6s<sup>2


Cuboid</sup>
                                   
Form 1
Volume of rectangular solid = lwh


Form 2
Surface area of rectangular solid = 2(lw + wh + lh)
^credit:  http://www.onlinemathlearning.com/solid-geometry.html