The triangle space is the set of triples of real numbers that are side lengths of a (Euclidean) triangle, i.e.,
(Kimberling 1988, pp. 44-45).
The triangle space is the set of triples of real numbers that are side lengths of a (Euclidean) triangle, i.e.,
(Kimberling 1988, pp. 44-45).
Weisstein, Eric W. "Triangle Space." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/TriangleSpace.html