Across
- 2. goes on forever in both directions
- 4. 8 sides and eight obtuse angles
- 8. triangle with sides all the same length
- 11. segment has a starting point and an ending point
- 12. triangle with no sides the same length
- 13. lines that cross to make a right angle
Down
- 1. 4 sides the same length, no right angles
- 3. triangle with two sides the same length and one a different length
- 5. 6 sides and six angles
- 6. has a starting point and goes forever in the other direction
- 7. lines that never cross and are always the same distance apart
- 9. 5 sided shape
- 10. 4 sides, opposite sides are the same length, no right angles