Geometry

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Across
  1. 3. A unit for measuring angles
  2. 9. lines that meet in one point
  3. 11. angle 360°
  4. 12. ruler to measure angles
Down
  1. 1. more than 90°
  2. 2. two rays meet
  3. 4. part of a line
  4. 5. lines never touch
  5. 6. goes forever in both directions
  6. 7. angle 180°
  7. 8. angle measures 90°
  8. 10. angle less than 90°
  9. 13. angle more than 180°
  10. 14. goes forever in one direction