One is a cuboid.
The other is a shape with two pentagonal shapes that meet along one edge. Along the next edges, one on either side is a triangular face. And on the further two sides of the pentagon are trapezium faces. I am not aware of a name for this shape other than hexahedron, which does not distinguish it from a cuboid.
This all depends on the shape. Different shapes have different face, edges, vertices.
it means the shapes that has faces,vertices and edges
Congruent shapes.
Depends on the shape.
Pyramid
This all depends on the shape. Different shapes have different face, edges, vertices.
it means the shapes that has faces,vertices and edges
Congruent shapes.
A cube has 6 faces
Depends on the shape.
There is no 3d shape made up of octagons. An octahedron can be one of several different shapes - but without ANY octagonal faces. For example, A hexagonal pyramid (8 faces, 18 edges, 12 vertices) A heptagonal pyramid (8 faces, 14 edges, 8 vertices) A quadrilateral dipyramid (8 faces, 12 edges, 6 vertices)
2 solid shapes together have 8 faces, 12 edges 8 vertices
There are points (vertices) lines (edges) and polygons (faces).
Pyramid
cube 8
sphere
A rhombus is a two dimensional figure while the concept of {faces, vertices and edges} is relevant to 3-dimensional shapes.