| 1) | ∠1 = 21 and ∠2 = 69 | 2) | ∠1 = 138 and ∠2 = 42 |
| 3) | ∠1 = 19 and ∠2 = 71 | 4) | ∠1 = 18 and ∠2 = 72 |
| 1) | ∠1 = 21 and ∠2 = 69 | 2) | ∠1 = 138 and ∠2 = 42 |
| Complemetary angles. | Supplementary angles. | ||
|---|---|---|---|
| 3) | ∠1 = 19 and ∠2 = 71 | 4) | ∠1 = 18 and ∠2 = 72 |
| Complemetary angles. | Complemetary angles. |