Across
- 4. formed by two intersecting lines
- 6. a shape with two pairs of parallel lines
- 9. an angle that is 180 degrees
- 10. polygon with 4 sides
- 11. a line that cuts through two parallel lines
- 14. segment a line with two endpoints
- 15. a triangle with two equal angles
Down
- 1. a line that cuts an angle in half
- 2. lines that never touch
- 3. a triangle with 3 different angle measures
- 5. a line with one endpoint
- 7. polygon with 3 sides
- 8. a triangle with 3 equal angles
- 12. a point in the middle of a line segment
- 13. lines forming a 90 degree angle