A dodecagon has 12 sides.
The Dodecahedron is the shape that has twelve sides.
a dodecagon.
A dodecagon is a polygon that has twelve sides. A regular dodecagon has twelve internal angles of 150 degrees each.
dodeckagon
Dodecagon.
a twelve sided shape is called a dodecagon.
Well, 2-D shape is a square, or a quadrilateral
dodecagon
The shape has 50 sides is Pentacontagon
A shape with six sides is a hexagon.
Tetradecagon is the correct name for a shape with 14 sides. :D