: Mathématiques: Heronian triangle

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Heronian triangle

In geometry, a Heronian triangle (or Heron triangle) is a triangle whose side lengths a, b, and c and area A are all positive integers. Heronian triangles are named after Heron of Alexandria, based on their relation to Heron's formula which Heron demonstrated with the example triangle of sides 13, 14, 15 and area 84.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Heronian_triangle)

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