Give type of trianlges:

1. Triangle ABC has AB = BC.    Isosceles Triangle

2. Triangle DEF has an angle measuring 120 degrees.
                                                Obtuse Triangle

3. Triangle GHI has no equal sides. Scalene Triangle

4. Triangle KLM has an angle measuring 90 degree. 
                                                                            Right Triangle

5. Triangle XYZ has all congruent angles. Equiangular Triangle

6. Triangle QRS has all congruent sides.  Eqilateral Triangle

        119 - 58 = 61                    67+53 = 120

                AAS                                                SAS