Please help!

Give the missing reasons in this proof of the Alternate Interior Angles Theorem.
Diagram drawing will be in the comments.

Given: L is parallel to n.
Prove: angle 4 ≅ angle 6

1. L is parallel to n 1. Given
2. angle 2 ≅ angle 6 a. ???
3. angle 4 ≅ angle 2 b. ???
4. angle 6 ≅ angle 4 c. ???

Question

Please help!

Give the missing reasons in this proof of the Alternate Interior Angles Theorem.
Diagram drawing will be in the comments.

Given: L is parallel to n.
Prove: angle 4 ≅ angle 6
 
1. L is parallel to n     1. Given
2. angle 2 ≅ angle 6           a. ???
3. angle 4 ≅ angle 2           b. ???
4. angle 6 ≅ angle 4           c. ???

anonymous · Answer

is there a picture? is this a triangle or what??