repeated line symmetries
- Maurice OReilly
The triangle (with pink, green & yellow vertices) is reflected in two lines, giving three more triangles.
- Check you follow how the triangles are related to the mirror lines.
- Move the vertices (pink, green & yellow) to reshape the triangle. Note what you see ...
- Now move the mirrors (red points). What's going on? Cad atá ar siúl in aon chor?