Does Triangle has three equal sides?

A Triangle has THREE sides. ; not necessarily equal .

However, triangles are then sub-divided into ;-

EQUILATERAL ; All three sides are the same length , and all three angles are 60 degrees.

ISOSCELES ; Two sides are of equal length and two angles are of equal size.

RIGHT-ANGLED ; All three sides can be of different length , or it can be an Isosceles triangles. However, there MUST be ONE RIGHT Angle (90 degrees).

SCALENE ; All three sides are of different length , and all three angles are of different size.