IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => IGCSE/ GCSE => Math => Topic started by: varadjain95 on October 27, 2009, 03:15:37 pm

Title: Math Help Please
Post by: varadjain95 on October 27, 2009, 03:15:37 pm

I need to know how oder of rotation is done
Thank you so much

Title: Re: Math Help Please
Post by: varadjain95 on October 27, 2009, 03:20:05 pm

Order Of Roation!

Title: Re: Math Help Please
Post by: nid404 on October 27, 2009, 03:22:35 pm

Quote from: varadjain95 on October 27, 2009, 03:15:37 pm

I need to know how oder of rotation is done
Thank you so much

well ur not specific enough

so here are two site which should explain rotation to u
http://www.mathsisfun.com/geometry/symmetry-rotational.html
http://www.icteachers.co.uk/children/sats/rotational.htm#Answer

it has examples so it is helpful

Title: Re: Math Help Please
Post by: Alpha on November 01, 2009, 02:56:58 pm

Oh you mean rotational symmetry???

Follow steps:

1) Identify centre of image.

2) Rotate it 360 degrees, a COMPLETE turn. And see how many times the image fits in EXACTLY as you are rotating.

  Like for a square, the image will in perfectly 4 times. So, a square has rotational symmetry of order 4.


360 degrees, and fit in PERFECTLY, and don't forget the centre.