Fill in the blanks
(i) The base of pyramid is a polygon and other faces have the___shape. (triangle/parallelogram)
(ii) Base face and top face of a prism are ___ of each other. (congruent/similar)
(iii) A polyhedron whose vertices are 10 and faces are 7 then its edges are ___ (15/19)
(iv) Cube and cuboid are also a kind of ____(prism/pyramid)