It has 12 edges and 6 faces
A hexagonal prism.
That 3D shape is called triangular pyramid.
a cube or cuboid
A triangular prism.
A pentagonal pyramid.
It is a pentagonal based pyramid that has 6 vertices, 6 faces and 10 edges
corners of a 3d shape
It is a cuboid
the triangular pyramid
A triangular prism
It is a triangular prism that has 6 vertices, 9 edges and 5 faces.
A cuboid can have 6 rectangular faces, 12 edges and 8 vertices
A cube or a cuboid could have 12 edges, 8 vertices, and 6 faces.