Geometry Crossword project

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Across
  1. 2. space between 2 intersecting lines
  2. 8. part of line that connects two points
  3. 10. C=2πr
  4. 11. 90 degrees
  5. 13. a=rxcos(π/h)
  6. 15. adjacent, supplementary
  7. 16. 30 60 90
  8. 17. Distance between 2 points
  9. 18. Single endpoint that goes in one direction
  10. 19. 9 sides
Down
  1. 1. y=3x+8 y+-1/3x-3
  2. 2. LengthxWidth
  3. 3. |AC|<|AB|+|BC|
  4. 4. divides opposite sides into two segments
  5. 5. two angles have same measure they are congruent
  6. 6. statement from proved facts
  7. 7. 45 45 90
  8. 9. if two angles aren't congruent they don't have the same measure
  9. 12. A^2+B^2+C^2
  10. 14. lie opposite to eachother when two lines intersect