4. Fill in the blanks:
Shape | Centre of Rotation | Order of Rotation | Angle of Rotation |
Square | |||
Rectangle | |||
Rhombus | |||
Equilateral Triangle | |||
Regular Hexagon | |||
Circle | |||
Semi-circle |
The given table is completed as shown:
Shape | Centre of Rotation | Order of Rotation | Angle of Rotation |
Square | intersection point of diagonals. | 4 | |
Rectangle | Intersection point of diagonals. | 2 | |
Rhombus | Intersection point of diagonals. | 2 |
|
Equilateral Triangle | Intersection point of medians. | 3 | |
Regular Hexagon | Intersection point of diagonals. | 6 | |
Circle | centre of circle | infinite | any angle |
Semi-circle | centre of circle | 1 |