Angle pairs, online practice seventh grade answers

Answer 1

1. Vertical angles: ∠1 and ∠3
2. Linear pair: ∠3 and ∠4
3. Alternate interior angles: ∠2 and ∠6
4. Corresponding angles: ∠1 and ∠5
5. Supplementary angles: ∠1 and ∠3, ∠3 and ∠4, ∠1 and ∠4
6. Complementary angles: ∠2 and ∠3, ∠4 and ∠5