Chapter 1
Lattice polygons
1 Pick’s Theorem: area of lattice polygon
2 Counting primitive triangles
3 The Farey sequences
Appendix: Regular solids
Exercise
Project: A cross number puzzle
1 Pick’s Theorem: area of lattice polygon
2 Counting primitive triangles
3 The Farey sequences
Appendix: Regular solids
Exercise
Project: A cross number puzzle