Fill in the blanks:

Explanation

Centre of Rotation

Intersecting points ofdiagonals
Intersecting pointsofdiagonals
Intersecting points of diagonals

Intersectingpointsofmedians
Intersecting points of diagonals
Mid- point of diameter
Mid- point of diameter
ORDER OF ROTATION
`4`

`2`
`2`
`3`
`6`

Infinite
`1`
ANGLE OF ROTATION`90^@`

`180^@`
`180^@`

`120^@`
`60^@`

At every point
`360^@`