Right-angled Trigonometry Crossword

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Across
  1. 4. two distinct lines intersecting each other at 90 degrees
  2. 7. the side opposite a 90-degree angle in a triangle
  3. 8. tan is short for this
  4. 9. the trigonometric ratio that is adjacent over the hypotenuse
  5. 11. the side next to an angle
Down
  1. 1. tan = ________ / adjacent
  2. 2. a unit for measuring angle sizes smaller than a degree
  3. 3. sin, cos, and tan are called trigonometric _______
  4. 5. a triangle with an angle of 90 degrees
  5. 6. the corner of a triangle/shape
  6. 10. the 'S' in SOH CAH TOA