# Distance between Incenter and Fletcher Point

Initializing live version

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.

Given a triangle , draw the incircle. The tangent points , , define the contact triangle. Let lines and intersect at , and at , and at . The points , , are collinear and form the perspectrix of the contact triangle, also called the Gergonne line, shown in orange.

[more]
Contributed by: Minh Trinh Xuan (August 2022)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

## Permanent Citation