(i) Equilateral triangle has 3 lines of symmetry and rotational symmetry of order 3.
(ii) Isosceles triangle has only 1 line of symmetry and no rotational symmetry of order more than 1.
(iii) A parallelogram is a quadrilateral which has no line of symmetry but a rotational symmetry of order 2.
(iv)A kite is a quadrilateral which has only 1 line of symmetry and no rotational symmetry of order more than 1.
Shape | Centre of Rotation | Order of Rotation | Angle of Rotation |
---|---|---|---|
Square | |||
Rectangle | |||
Rhombus | |||
Equilateral Triangle | |||
Regular Hexagon | |||
Circle | |||
Semi-circle |