Octahedron.
It is a triangular prism.
A triangular prism ! It has a triangular face at each end, a rectangular base and two adjoining rectangular faces. It actually has nine edges and six corners.
A cube
A tetrahedron, or triangle-based pyramid, has four corners, four faces and six edges.
A tetrahedron has four vertexes and four faces and six edges.
A tetrahedron.
A hexagonal based pyramid seems to fit the given description
Pretty simple really: Vertices are corners and edges are boundaries so, a hexagon has six of each.
a pentagonal pyrimad
There are four faces, six edges and four vertices.Remember,faces are the flat sides.Edges are the lines where two of the faces meet.Vertices are the corners where three or more of the faces meet.
Six corners, nine edges and five faces.
Triangular prism. 9 faces, six vertices, and nine edges right?