## Notes on Orthogonal Circles

1 -- Orthogonal Circles

2 - Power of a Point and Radical Axis

3 - Constructing Orthogonal Circles Through
3 Points/Circles (also see Lab 5)

4 - Various Constructions for Inversion

5 - Apollonian Circles and Pencils

6 - Inversion Images

7 - Inversions, Circles and Angles

8 - Klein's Erlangen Program and DWEG

Euclidean Geometry vs Inversive Geometry (a table
of contrasting properties)

NEW: How to construct
a D-circle and more.

Study Questions 1

Study Questions 2