Which pair of angles are alternate interior angles? - Angle 1 and 8 - Angle 1 and 7 - Angle 2 and 7 - Angle 3 and 6

Answer

Angle 3 and 6 are alternate interior angles.

Draw a diagram with a transversal line crossing two parallel lines.
Identify which angles are interior and which are exterior angles.
Identify which pairs of interior angles are on opposite sides of the transversal.
Determine which pairs of angles are congruent.