Across
- 2. the outside angle of a polygon
- 4. when they are equal to each other
- 11. all three sides have the same length
- 12. the property created by the space between two objects
- 13. the space between two lines or planes that intersect
- 14. a triangle with no equal sides
- 16. the act of changing in form or shape or appearance
- 17. on the same plane
- 18. y=mx+b
- 19. a triangle with 2 equal sides
Down
- 1. a triangle where all 3 sides are equal
- 3. a triangle whose interior angles are all acute
- 5. a three-sided polygon
- 6. an angle between 90 and 180 degrees
- 7. being equal to something
- 8. an angle that is 90 degrees
- 9. lines that never intersect
- 10. two angles whose sum is a right angle
- 15. an angle less than 90 degrees but more than 0 degrees