The prefix "deca-" means ten. It has ten faces.
10
decahedron
It is not a regular polyhedron because it has unequal sides
a decahedron a decahedron
The prefix "deca-" means ten. It has ten faces.
A decahedron.
Decahedron
10
A decahedron has no cornets.
A decahedron has ten faces.
decahedron
It is not a regular polyhedron because it has unequal sides
2D shape = Decagon 3D shape = Decahedron
It is one of ten faces which, together, make up the 3-D figure called a decahedron. The face is a polygon with 3 to 9 sides.
10
Decagon, if a plane figure or decahedron, if a solid.