Hart’s theorem

The Endeavour 2026-06-25

Summary:

Hart’s theorem says If a triangle be formed by the arcs of three circles, the inscribed and the three escribed circles are all tangent to a new circle or line. Here “triangle” means a three-sided figure whose sides are portions of a circle. The inscribed circle is the largest circle that can fit inside the […]

The post Hart’s theorem first appeared on John D. Cook.

Link:

https://www.johndcook.com/blog/2026/06/25/harts-theorem/

From feeds:

Statistics and Visualization » The Endeavour

Tags:

geometry

Authors:

John

Date tagged:

06/25/2026, 16:10

Date published:

06/25/2026, 15:20