Hey student,

angle 1 and 2 are corresponding angles

angle 3 and 4 are alternate interior angles

angle 5 and 6 are co-interior angles

angle 7 and 8 are corresponding angles

angle 9 and 10 are alternate interior angles

angle 11 and 12 are linear pairs

These are the pairs of triangles and there names.

All the best student,

Hope this helps you.