Equilateral triangle: all sides are equal lengths, all angles are equal too
Scalene triangle: has three different sides, all angles are different
Isosceles triangle: 2 sides are equal, one isn’t, 2 angles are the same, one is different
Acute triangle: angles are less than 90 degrees
Obtuse triangle: angles are larger than 90 degrees
Right triangle: angle forms a 90 degree angle
Those are the triangles :)