Ch 4 Vocab (Angles)

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Across
  1. 3. Angles that are interior (inside of the parallels) that lie on opposite sides of the transversal
  2. 9. A triangle with 2 congruent sides
  3. 12. Angles that are exterior (outside of the parallels) that lie on opposite sides of the transversal
  4. 14. Angles are _____ if they are formed by a pair of lines that intersect and are nonadjacent (do not share a ray)
  5. 15. A line that intersects two or more lines to form eight angles
  6. 17. _____ angles that have the same position on two different parallel lines that are cut by the same transversal
  7. 18. A polygon with three sides and three angles
  8. 19. A ray that is part of an angle
  9. 20. The most common unit of measure for angles
  10. 21. The common (shared) endpoint of the two rays that form an angle
  11. 23. Lines that do not intersect are _____
Down
  1. 1. A triangle with no congruent sides
  2. 2. An tool marked in degrees, used for measuring or drawing angles
  3. 4. Two angles are _____ if the sum of their measures is 90°
  4. 5. An angle that measures EXACTLY 90°
  5. 6. An angle with a measure of greater than 90° but less than 180°
  6. 7. A part of a line that has one endpoint and extends indefinitely in one direction
  7. 8. Two rays with a common endpoint form an ______
  8. 10. Two angles are _____ if the sum of their measures is 180°
  9. 11. An angle with a measure of greater than 0° and less than 90°
  10. 13. Having the same measure
  11. 16. an angle that measures EXACTLY 180°
  12. 22. A triangle with 3 congruent sides