Section: Book 03: Fundamentals of Plane Geometry Involving Circles

In the 3rd Book, Euclid continues with the development of plane geometry, focusing on the theory of circles. This book contains some basic insights about the plane geometry of circles. For instance:

Moreover, this book contains the following compass and ruler constructions:

  1. Subsection: Definitions from Book 3
  2. Subsection: Propositions from Book 3

Thank you to the contributors under CC BY-SA 4.0!



Adapted from CC BY-SA 3.0 Sources:

  1. Callahan, Daniel: "Euclid’s 'Elements' Redux" 2014

Adapted from (Public Domain)

  1. Casey, John: "The First Six Books of the Elements of Euclid"