Geometry vocab

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