Fill in the blanks to make the statements true.

Out of __________ faces of a square pyramid, __________ are triangles and __________ is/are squares.

Fill in the blanks to make the statements true.

Out of __________ faces of a triangular prism, __________are rectangles and __________ are triangles.

The base of a triangular pyramid is a __________.

Fill in the blanks to make the statements true.

Out of __________ faces of a rectangular pyramid __________ are triangles and base is __________.

Fill in the blanks to make the statements true.

Each of the letters H, N, S and Z has a rotational symmetry of order _________.