Across
- 1. have a common side and common vertex
- 4. 2 rays are joined together at a common point
- 5. a sum that adds to 180
- 8. a sum that adds to 90
Down
- 2. a pair of matching sides that are in the same spot in two different shapes
- 3. the line which don't interesect
- 6. interesect parallel lines
- 7. which has a starting point but not ending point
- 9. more than 180 and less than 360