On Inscribed and Escribed Circles of Right Triangles, Circumscribed Triangles, and the Four-Square, Three-Square Problem

  • On Inscribed and Escribed Circles of Right Triangles, Circumscribed Triangles, and the Four-Square, Three-Square Problem

    David Hansen
    Some remarkable relationships between the radii of a right triangle's inscribed and escribed circles and its sides, leading to the solution of a fascinating problem in number theory.