ON SYMMETRY

ON SYMMETRY

Definitions of Symmetry

1. A property of geometrical figures to repeat their parts. Repeatition is also symmetry.

2. Symmetry is harmony and proportion.

source:

http://www.education.vic.gov.au/studentlearning/teachingresources/maths/mathscontinuum/space/Sp15002P.htm

3. There is a congruent transformation which leaves it unchanged as a whole, merely permiting its component elements loose.??????

4. If there is something that you can do to it so that after you have finished doing it, it looks the same as it did before.??????