Angles and Triangles

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Across
  1. 1. shaped as a triangle
  2. 3. a space between two intersecting lines
  3. 4. a right angle
  4. 8. to calculate how much there is something
  5. 10. a slope of to lean in a certain direction
  6. 11. lines that never intersect
  7. 13. a form
  8. 14. angles=90
  9. 16. an angle between 180-360
  10. 17. an angle less the ninety
  11. 18. highest point
  12. 19. angles that cross
Down
  1. 2. triangle with a right angle
  2. 5. a right angle
  3. 6. an angle that=360
  4. 7. a 90 angle
  5. 9. the lowest part or edge of a shape
  6. 12. angles=180
  7. 13. triangle with three equal sides
  8. 15. an angle higher then ninety but lower than 180