Dodecagon. A pentagon has five sides, a polygon with 12 sides is a dodecagon. A dodecahedron has 12 regular facets.
A dodecagon is a polygon that has twelve sides. A regular dodecagon has twelve internal angles of 150 degrees each.
The name of a 12 sided polygon is Dodecagon.
Dodecagon http://en.wikipedia.org/wiki/Dodecagon
dodecagon
Dodecagon.
dodecagon
dodecagon
Dodecagon.
Dodecagon
It is a dodecagon.
Dodecagon