Hendecahedron
a hen decagon
A 12 sided 3D shape is called a dodecahedron.
A five sided 3d shape is called a pentehedron
An 11-sided 3D shape is a hendecahedron.
a 4 sided 3d shape is called a triangular prism!!!!!!!!!!!!!!!
In geometry, a hendecagon (also undecagon or endecagon) or 11-gon is an eleven-sided polygon.
the name of a 20 sided 3d shape is called a icosahedron
HEXADECAHEDRON is the correct name for a 16 sided 3D object
It is called Triacontakaitetrahedron.
Dodecagon :)
tetrahedron
cuboctahedron