Chapter 20
The shoemaker’s knife
1 Archimedes’ twin circles
2 Incircle of the shoemaker’s knife
Archimedes’ construction
Bankoff’s constructions
Woo’s constructions
3 More Archimedean circles
Exercise
1 Archimedes’ twin circles
2 Incircle of the shoemaker’s knife
Archimedes’ construction
Bankoff’s constructions
Woo’s constructions
3 More Archimedean circles
Exercise