It is a hexagon.
http://wiki.answers.com/Q/What_is_the_6_sided_shap...

A hexagon is a shape with six sides. ChaCha again!
http://www.chacha.com/question/whatisthewordfo...

A tetrahedron is one of the five Platonic solids, since it is a pyramid made up of four equal triangles. But a squarebottomed pyramid is not a tetrahedron, since it also includes
http://www.ehow.com/info_8510888_shapessidessqua...

A 6sided shape is a hexagon. Want to know how many sides a chiliagon has?
http://www.kgbanswers.com/whatisthenameofa6...
