A face.
There is no specific name nor a specific shape for such a polygon.
Heptahedron.
poly = many hedron = face
A Platonic solid?
There is not enough information to determine how many faces the polyhedron has (and therefore its name).
A face.
A face.
There is no specific name nor a specific shape for such a polygon.
it is called a dodecagon. this is also approved by teachers so they will not burden you!
rectangular prism
Heptahedron.
poly = many hedron = face
A Platonic solid?
the names of them are semiregular polyhedron
Tetrahedron
A polyhedron with 5 faces could be called a pentahedron, but a more common name would be a quadrilateral pyramid. A square pyramid is a special case of such a shape.