Which polyhedron has more faces than a tetrahedron but fewer faces than an

octahedron?

pentahedron, hexahedron and heptahedron

Step-by-step explanation:

We have that a polyhedron is a geometric body whose faces are flat and contain a finite volume, depending on the number of faces, its name varies.

Now a tetrahedron has 4 faces and an octahedron has 8, therefore there are 3 polyhedra that fit the description, the following:

pentahedron 5 faces

hexahedron 6 faces

heptahedron 7 faces

Which means that the pentahedron, hexahedron and heptahedron could be those polyhedron