Maths Cross Word

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Across
  1. 6. Two angles that add up to 180 degrees
  2. 8. An angle that measures 360 degrees
  3. 10. A ray of angle
  4. 12. Angles that have the same vertex and common arm they lie on opposite sides of the common arm
  5. 14. The angle that needs to be added to a given angle to give 90 degrees
  6. 15. An angle that measure between 90 degrees and 180 degrees
  7. 16. An angle that measures 180 degrees
  8. 18. The unit used to measure angles
Down
  1. 1. Two angles that add up to 90 degrees
  2. 2. A line that crosses two or more other lines
  3. 3. An angle that measures between 180 degrees and 360 degrees
  4. 4. Straight lines that do not meet
  5. 5. The point where two arms of the angle meet
  6. 7. Instrument for measuring the sizes of angles
  7. 9. An angle that measures 90 degrees
  8. 11. The angle that needs to be added to a given angle to give 180 degrees
  9. 13. lie inside the parallel lines and are supplementary
  10. 17. An angle that is less than 90 degrees