Yes and a triangular based pyramid is a tetrahedron
Yes.
A polyhedron is a solid shape with four or more polygonal faces. A hexahedron is a solid shape with six polygonal faces and so is a particular type of polyhedron.
It is a Pentahedron.
This polyhedron has 7 vertices and 12 edges.
The answer depends on how it is "moved". However, hexagons cannot make a polyhedron.
One with 20 polygonal faces.
an octahedron
It can be any type of pyramid.
in 1983
No, it is false.
No, they are the faces of the polyhedron.
No- A square is a plane figure- it is a type of polygon not a polyhedron.