Unit 1 Angle Relationships

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Across
  1. 7. Two lines that intersect at 90 degrees.
  2. 9. These angles add to 360 degrees.
  3. 11. An angle that is exactly 90 degrees.
  4. 14. Has no endpoints and continues infinitely in both directions.
  5. 16. An angle that is less than 90 degrees.
  6. 17. Lines that pass through the same point.
  7. 18. An angle that is greater than 90 degrees.
Down
  1. 1. Two angles that add to 90 degrees.
  2. 2. The point where two rays begin or meet.
  3. 3. An angle that is exactly 180 degrees.
  4. 4. Part of a line with two endpoints.
  5. 5. Two angles that add to 180 degrees, also called supplementary angles.
  6. 6. Formed by intersecting lines and are equal in measure.
  7. 8. Part of a line that has an endpoint on one end and continues infinitely in one direction.
  8. 10. formed by two rays that meet at the same point.
  9. 12. The branch of mathematics concerned with the properties and relations of point, lines, shapes, etc.
  10. 13. Two lines that never interesect.
  11. 15. Indicates a specific location.