golden triangle

plural golden triangles

1. geometryAn isosceles triangle whose duplicated side is in the golden ratio to the distinct side.

1. Any region of prosperity, influence, etc. bounded by three points.
   1. A geographic region of Thailand, Laos and Myanmar, known for its production of opium and heroin.

      This is an informal crossing on a small river that separates the two countries in the infamous Golden Triangle.

      2019 July 4, Michael Sullivan, “In Myanmar, Methamphetamine, Synthetic Drug Production Soars”, in NPR.org

   2. A region of Victoria, Australia, where the Victorian Gold Rush occurred.
   3. A region of New South Wales, Australia, where prime agricultural land occurs, particularly for cereal crops, and from which golden sheaves of wheat are harvested.
   4. An area of Paris, France, located between Avenue Montaigne, Avenue des Champs-Elysées, and Avenue George V.
   5. A region of Cheshire, United Kingdom, especially known for a large population of Premier League footballers and other wealthy entertainers and professionals.
   6. A region of North Yorkshire and West Yorkshire, United Kingdom, located between Harrogate, Leeds and York.