# The Isogonal Conjugate of a Point on the Circumcircle

- Author:
- Steve Phelps

- Topic:
- Geometry

The isogonal conjugate of a point on the circumcircle is the point at infinity.
Drag point P around. The isogonal conjugate P' move in response. As point P gets closer to the
circumcircle, the radius of the reflection circle becomes infinite.