Geometry Chapter 1 Vocabulary

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Across
  1. 4. Adds to make 180 degrees
  2. 6. Two lines that cross at a 90 degree angle
  3. 11. To cross or touch
  4. 13. A line with endpoints (does not extend infinitely)
  5. 15. Together on the same plane
  6. 17. The middle point of a segment
  7. 20. Angles that are formed when an x is drawn, they are across from each other
Down
  1. 1. Two angles that are next to each other on a line
  2. 2. A flat surface
  3. 3. An angle that is bigger than 90 degrees
  4. 5. Together on the same line
  5. 7. A location
  6. 8. An angle that is exactly 90 degrees
  7. 9. Two rays with a common endpoint
  8. 10. To cut in half
  9. 12. Adds to make 90 degrees
  10. 13. An angle that is a line, it is 180 degrees
  11. 14. Next to
  12. 16. An angle that is less than 90 degrees
  13. 18. Something made up of points that extend infinitely
  14. 19. A line that has an endpoint on one side and an arrow (extends infinitely) on the other side