Math: Geometry — Lunula, Lune of Hippocrates, Lunes of Alhazen

Lune of Hippocrates, Quadrature — Theorems and Problems

Geometry Problem 1608: Lunes of Hippocrates Area from Incenter Semicircles

Hippocrates and Squaring the Circle

Geometry Problem 1362
Equilateral Triangle Inscribed in a Circle, Lunula, Ratio of Areas, Tangent, Sketch, iPad Apps.

Problem 1335. The Lune of Hippocrates has the same area as a Kite.

Proposed Problem 76: Area of a Circle — Square, Circle, Circular Sector.

Problem 99: Circle Area, General Extension to Pythagoras' Theorem.

Geometry Problem 708 — Circle, Tangent, Intersecting, Lune, Area, Diameter.