A scalene triangle is a triangle that has three unequal sides, such as those illustrated above.
Scalene Triangle
See also
Acute Triangle, Equilateral Triangle, Isosceles Triangle, Obtuse Triangle, TriangleExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Scalene Triangle." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/ScaleneTriangle.html