Is a scalene triangle a equilateral triangle?

technically, triangle classes have a bulls-eye type name graph, with equilateral triangles in the middle, then isosceles, then scalene, so technically, some scalene triangles are isosceles and some...

they both have 3 sides, 3 angles, and 3 vertexes

An Equilateral triangle has three sides with the same length.A Scalene triangle has 3 sides that each have different lengths.An Isoceles triangle has 2 sides that have the same length and one side...

Both triangles have 3 sides which add up to 180 degrees. In fact, all triangles do.

they are both triangles (3 sides)