Here mine dog "Flame" has her face made perfect symmetrical v a bitof photo magic.

The white line under the center is theline of Symmetry

When the folded part sits perfectly on optimal (all edges matching), then the fold line is a heat of Symmetry.

Here I have actually folded a rectangle one way, and also it didn"t work.

So this is not a heat of Symmetry

But as soon as I try it this way, it does work (the folded component sits perfect on top, every edges matching):

So this is a line of Symmetry

## Triangles

A Triangle deserve to have 3, or 1 or no currently of symmetry:

 Equilateral Triangle(all sides equal, all angles equal) Isosceles Triangle(two sides equal, 2 angles equal) Scalene Triangle(no political parties equal, no angles equal) 3 currently of Symmetry 1 heat of Symmetry No lines of Symmetry

Different varieties of quadrilateral (a 4-sided aircraft shape):

 Square(all sides equal, all angles 90°) Rectangle(opposite political parties equal, all angle 90°) Irregular Quadrilateral 4 lines of Symmetry 2 present of Symmetry No lines of Symmetry

 Kite Rhombus(all sides equal length) 1 heat of Symmetry 2 lines of Symmetry

## Regular Polygons

A constant polygon has actually all political parties equal, and also all angle equal:

 An Equilateral Triangle (3 sides) has 3 currently of Symmetry A Square (4 sides) has 4 currently of Symmetry A Regular Pentagon (5 sides) has 5 present of Symmetry A Regular Hexagon (6 sides) has 6 currently of Symmetry A Regular Heptagon (7 sides) has 7 lines of Symmetry A Regular Octagon (8 sides) has 8 present of Symmetry

And the pattern continues:

A constant polygon the 9 sides has 9 currently of SymmetryA constant polygon of 10 sides has 10 lines of Symmetry...A constant polygon the "n" sides has "n" currently of Symmetry