Equilateral triangle
This is a triangle with 3 equal sides
Isosceles triangle
This is a triangle with at least 2 equal sides
Scalene triangle
It is a triangle with all its 3 sides being unequal
Obtuse triangle
It is a triangle with 1 obtuse angle
Right angle triangle
It is a triangle with one side being a right angle
Acute triangle
It is one with 3 acute angles
