Answer:
A. 1 and 8
Explanation:
Angles 4 and 6 are supplementary; they add up to 180.
Angles 5 and 6 are also supplementary; they add up to 180.
Angles 1 and 7 are same said exterior; they also add up to 180.
Angles 1 and 8 are the only ones that are the same.