Whats a scalene triangle

A scalene triangle is a triangle whose sides are all different in length.

Example:

A triangle with side lengths 2cm, 4cm, and 6cm.

I have provided a visual example below.

Hope this helps :)

A scalene triangle is a triangle that has no sides congruent sides. In other words, if all three sides of a triangle have different lengths, then we say that the triangle is a scalene triangle.

Take a look at the triangle I attached below.

It's a scalene triangle.