true lalu
A polyhedron.
A polyhedron
Prism
They are faces the polyhedron.
It is a polygonal prism.
It is called a polyhedron.
A pyramid
Polygon
pyramid
A polyhedron.
The faces of Platonic solids are regular polygons...
A polyhedron
Prism
Octagon
a polyhedron
a prism
polygons, I believe.