What Is a Scalene Triangle?
What Is a Scalene Triangle?
A scalene triangle is a triangle where none of the sides or angles are equal.
Note: The lines through the two sides of the triangle in the image above indicate they are of equal length. The two arcs indicate the two angles are equal.
Dictionary Definition
The MerriamWebster dictionary defines a scalene triangle as "having the three sides of unequal length."
Real Examples of Scalene Triangles
Below are real examples of scalene triangles.
In each case

No sides are the same length.

No angles are the same (60°).