A pentagonal shape has 5 faces. For determining the name of a shape, it is determined by the amount of faces.For determining the amount of faces on a shape, it is determined by the pre fix of a...
composed of 12 regular http://wiki.answers.com/wiki/Pentagon faces, with three meeting at each vertex, and is represented by the http://wiki.answers.com/wiki/Schläfli_symbol {5,3}. It has 20...