Euclid's 48 2D Constructions
All 48 of the 2D constructions
are here
assigned new names, C#1 through C#48.
- Book I: 14 Constructions, C#1 to C#14
- Props. I.1,2,3,9,10,11,12,22,23,31,42,44,45,46
- Book II: 2 Constructions, C#15 and C#16
- Props. II.11,14
- Book III: 6 Constructions, C#17 to C#22
- Props. III.1,17,25,30,33,34
- Book IV: 16 Constructions, C#23 to C#38
- Props. IV.1 through 16
- Book VI: 10 Constructions, C#39 to C#48
- Props. VI.9,10,11,12,13,18,25,28,29,30
Revised 21 July 1997 by Ralph
abraham@vismath.org