State whether the following statements are true (T) or false (F) :
(i) A parallelogram has diagonals as its lines of symmetry.
(ii) A regular triangle has three lines of symmetry, one point of symmetry, and has
rotational symmetry of order 3.
(iii) A regular quadrilateral has four lines of symmetry, one point of symmetry and
has . The rotational symmetry of order 4.
(iv) A parallelogram has no rotational symmetry.
(v) A regular pentagon has one point of symmetry.
(vi) The letter Z has one line of symmetry.