Fill in the blanks to make the statements true.

A parallelogram has __________ line of symmetry.

Each face of a cuboid is a __________.

Fill in the blanks to make the statements true.

Line of symmetry for an angle is its __________.

Fill in the blanks to make the statements true.

Order of rotational symmetry of is _________.

Fill in the blanks to make the statements true.

A __________ triangle has no lines of symmetry.