Question

Given that m || n, explain how you know that 1 and 6 are supplementary

Answer 1

     We know that 1 and 6 are supplementary because 1 and 5 are corresponding angles. 5 and 6 are supplementary angles. Since 1 and 5 are corresponding & 5 and 6 are supplementary angles, 1 and 6 will also be supplementary.

Have a nice day!

     If this is not what you are looking for - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather