Here mine dog "Flame" has actually her challenge made perfect symmetrical v a bitof picture magic.
The white line under the center is present of Symmetry
When the folded part sits perfectly on peak (all edges matching), then the fold line is a line of Symmetry.
Here I have folded a rectangle one way, and also it didn"t work.
But once I try it this way, it does work (the folded part sits perfectly on top, every edges matching):
A Triangle have the right to have 3, or 1 or no present of symmetry:
|Equilateral Triangle(all political parties equal, all angle equal)||Isosceles Triangle(two political parties equal, 2 angles equal)||Scalene Triangle(no sides equal, no angles equal)|
|3 present of Symmetry||1 heat of Symmetry||No present of Symmetry|
Different varieties of quadrilateral (a 4-sided airplane shape):
|Square(all sides equal, all angles 90°)||Rectangle(opposite political parties equal, all angle 90°)||Irregular Quadrilateral|
|4 lines of Symmetry||2 lines of Symmetry||No present of Symmetry|
|Kite||Rhombus(all sides same length)|
|1 line of Symmetry||2 present of Symmetry|
A continual polygon has all political parties equal, and all angles equal:
|An Equilateral Triangle (3 sides) has 3 present of Symmetry|
|A Square (4 sides) has 4 lines of Symmetry|
|A Regular Pentagon (5 sides) has 5 currently of Symmetry|
|A Regular Hexagon (6 sides) has 6 currently of Symmetry|
|A Regular Heptagon (7 sides) has 7 currently of Symmetry|
|A Regular Octagon (8 sides) has 8 currently of Symmetry|
And the pattern continues:A regular polygon of 9 sides has actually 9 lines of SymmetryA continual polygon the 10 sides has actually 10 lines of Symmetry...A consistent polygon that "n" sides has "n" currently of Symmetry