ACTIVITY D2

| 1. | To complete the following chart, assume that line a is parallel to line b. |
| 2. | To complete the following chart, assume that line a is not parallel to line b. |
| 3. | Explain why your answers for 1 and 2 differ. |
ANGLES |
Type of angles |
Congruent, Supplementary, or Not Congruent | If congruent or supplementary,
state the property |
| 1 and 5 | |||
| 3 and 7 | |||
| 3 and 5 | |||
| 1 and 4 | |||
| 2 and 6 | |||
| 2 and 3 | |||
| 5 and 6 | |||
| 4 and 8 | |||
| 5 and 8 | |||
| 4 and 6 | |||
| 6 and 8 | |||
| 6 and 7 | |||
| 3 and 6 | |||
| 4 and 5 |