Identify and quantify the total number of lines (axes) of symmetry (if any exist) of two-dimensional shapes, including the special quadrilaterals and triangles

1. Along The Dotted Lines! - number of lines of symmetry
2. Along The Dotted Lines! - number of lines of symmetry
3. Dave's Symmetry - mark lines of symmetry
4. Dave's Symmetry - mark lines of symmetry
5. Dave's Symmetry - mark lines of symmetry
6. Taking Sides - symmetry of regular polygons
7. Taking Sides - symmetry of regular polygons
8. Taking Sides - symmetry of regular polygons
9. Taking Sides - symmetry of regular polygons
10. Taking Sides - symmetry of regular polygons