Language of Geometry

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Across
  1. 3. The tip of a thorn
  2. 4. A part or section of something
  3. 5. Not a ruler
  4. 9. The 20th letter of the alphabet
  5. 10. A three sided shape has three of them
  6. 13. Fahrenheit or Celsius
  7. 14. 30 minute mark in an hour
  8. 15. Used to travel
  9. 16. The highest point of a mountain
Down
  1. 1. Two roads that cross each other
  2. 2. 2 rows of desks
  3. 6. Something you get on to wait for a rollercoaster
  4. 7. Used to scan a person's body or bones
  5. 8. The 12th capital letter of the alphabet
  6. 11. Acute, obtuse, right
  7. 12. 12 inches or 1 foot