In which of the following solids, none of the faces is triangular?
hexagonal prism
Correct option: (d) hexagonal prism
In a triangular prism, the top and bottom faces are congruent triangles.
In a square pyramid, the side faces are triangular.
In pentagonal pyramid, the lateral faces are triangular.
In a hexagonal prism, there are none of the faces is triangular.
Hence, the correct option is (d)