| 1) | ∠1 = 78 and ∠2 = 102 | 2) | ∠1 = 157 and ∠2 = 23 |
| 3) | ∠1 = 38 and ∠2 = 160 | 4) | ∠1 = 53 and ∠2 = 127 |
| 1) | ∠1 = 78 and ∠2 = 102 | 2) | ∠1 = 157 and ∠2 = 23 |
| Supplementary angles. | Supplementary angles. | ||
|---|---|---|---|
| 3) | ∠1 = 38 and ∠2 = 160 | 4) | ∠1 = 53 and ∠2 = 127 |
| Neither | Supplementary angles. |