Its a rectangular prism
A triangular prism would fit the given description which has 5 faces, 9 edges and 6 vertices
It is a triangular prism which has 5 faces, 9 edges and 6 vertices
A rectangular prism.
It is a cuboid
A cuboid fits the description given
There is no form of a hexahedron whose name starts with a d.However, an octagonal prism has 6 (and more) faces, some of the are rectangles and it is a from of a decahedron.