If the angle of rotational symmetry of a regular polygon is $60°$, then its number of sides be

Which of the following figures have two lines of symmetry and the angles of rotational symmetry $180°$.

Find the centre of rotational symmetry, angle of rotational symmetry and number of rotational symmetry for the given figure.

Find the centre of rotational symmetry, angle of rotational symmetry and number of rotational symmetry for the given figure.

Find the centre of rotational symmetry, angle of rotational symmetry and number of rotational symmetry for the given figure.

Find the centre of rotational symmetry, angle of rotational symmetry and number of rotational symmetry for the given figure.

Find the centre of rotational symmetry, angle of rotational symmetry and number of rotational symmetry for the given figure.

Find the centre of rotational symmetry, angle of rotational symmetry and number of rotational symmetry for the given figure.

Find the centre of rotational symmetry, angle of rotational symmetry and number of rotational symmetry for the given figure.