What does a 12 sided polygon look like????

Answer 1

A dodecagon is the term for a regular 12 sided polygon with equivalent angles and side lengths.

Looks like most the other regular 2D polygons.
If its irregular.. use your imagination

Answer 2

http://www.google.com/search?q=12+sided+polygon&hl=en&prmd=imvnsfd&source=lnms&tbm=isch&ei=WoeoT6-AA-Hn0QHlvtWYBQ&sa=X&oi=mode_link&ct=mode&cd=2&sqi=2&ved=0CAwQ_AUoAQ&biw=711&bih=453