geometry crossword project

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Across
  1. 1. ratio of opposite to hypotenuse
  2. 4. line with one end point
  3. 6. 5 equal sides
  4. 8. 3D shape with 12 faces
  5. 13. measurement of a surface
  6. 14. divides something into 2 equal parts
  7. 15. triangle with 2 equal sides
  8. 17. where 2 lines meet
  9. 18. longest side of a right triangle
Down
  1. 1. angles that add to 180
  2. 2. comparison of 2 number
  3. 3. ratio of opposite to adjacent
  4. 5. smooth curve between 2 points
  5. 7. ratio of adjacent to hypotenuse
  6. 9. 4 sided shape
  7. 10. separate into comparable parts
  8. 11. line through the center of a circle
  9. 12. segment with 2 points on a circle
  10. 16. angles that add to 90
  11. 17. measurement of 3D space