Which of the following statements are true and which are false ?
(i) A parallelogram has no line of symmetry.
(ii) An angle with equal arms has its bisector as the line of symmetry
(iii) An equilaterla triangle has three lines of symmetry.
(iv) A rhombus has four lines of symmetry.
(v) a square has for lines of symmetry.
(vi) A rectangle has two lines of symmetry.
(vii) Each one of the letters H,I,O,X of the English alpabet has two lines of symmetry.