David Trig Crossword puzzle

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Across
  1. 2. angle greater than 90
  2. 4. half of diameter
  3. 8. distance around a circle
  4. 12. degree of a right triangle
  5. 13. triangle with all equal sides
  6. 15. opposite of cube rooting
  7. 16. triangle with two equal sides
  8. 18. opposite over hypotenuse
  9. 19. opposite over adjacent
  10. 20. hypotenuse over adjacent
Down
  1. 1. the side opposite to the right angle
  2. 3. trigonometry studies relationships in
  3. 5. opposite of square root
  4. 6. hypotenuse over opposite
  5. 7. best Trig teacher at IRHS
  6. 9. adjacent over hypotenuse
  7. 10. longest side of a right triangle
  8. 11. angle less than 90
  9. 14. triangle with no equal sides or angles
  10. 17. adjacent over opposite