How to find out order of rotation and angle of rotation of square, rectangle, rhombus, equilateral triangle regular hexagon, circle, semi-circle?

Dear student
The complete explanation of the chapter is provided in the study material. Kindly go through the study material and the revision notes section for the same.

Also refer the following links :

https://www.meritnation.com/ask-answer/question/can-i-get-information-about-centre-of-rotation-and-angle-of/symmetry/5513591

https://www.meritnation.com/ask-answer/question/how-can-we-find-the-angle-of-rotation-of-an-object/symmetry/3221986