Use the alternate Interior Theorem diagram to answer the question. give the missing reason in this proof for the letter given.

Question

Statements:
1. l || n
Reasons:
1. Given
2. Angle 2 = Angle 6 8. a. Corresponding angles
3. Angle 4 = Angle 2 9. b. Vertical Angles
4. Angle 6 = Angle = 4 10 c. (I only need help on this one does anyone know what it is