Provide reasons for the proof. Given: Line "m" is parallel to line "n". Prove: ∠1 is supplementary to ∠3.
Picture: https://s.yimg.com/tr/i/8feaa7397dda48d68f6f1d32099d9bae_A.png
Statement:
1. Line m is parallel to line n
2. ∠1 ≅ ∠2
3. m∠1 = m∠2
4. ∠2 and ∠3 form a linear pair
5. ∠2 is supplementary to ∠3
6. m∠2 + m∠3 = 180*
7. m∠1 + m∠3 =180*
8. ∠1 is supplementary to ∠3
Reasons:
1. ? (my answer: Given)
2. ? (my answer: congruent angles)
3. ? (my answer: same side angle postulate)
4. ? (my answer: angles equal to 180*)
5. ? (my answer: def of supplementary)
6. ?
7. ?
8. ? (my answer: Def of supplementary)
Sadly IK that most of these will be wrong but I would really like to learn and better understand this as well add get a good grade. Can anyone help?
