Trigonometry Chapter One Vaocabulary

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Across
  1. 4. If the sum of the measures of two positive angles is 90*.
  2. 7. The angle that measures 180*
  3. 9. The unit used to measure angles.
  4. 11. A part of a line between two points
  5. 12. The angle with a measurement between O* and 90*.
  6. 14. Triangles that are both the same size and shape.
  7. 16. The initial position of the ray that formed an angle.
  8. 19. The point where the rays that formed and angles meet.
  9. 20. If the sum of the measures of two positive angles is 180*.
  10. 21. Lines that lie in the same plane and do not intersect.
  11. 22. A line that intersects two or more lines.
  12. 23. The angle with a measurement between 90* and 180*
Down
  1. 1. The same initial side and terminal side but with different amounts of rotation.
  2. 2. An angle formed by a clockwise rotation around the end point.
  3. 3. Triangles of exactly the same shape but not necessarily the same size.
  4. 5. The angle with a 90* angle.
  5. 6. An angle that, when placed in standard position, has its terminal side along the X-Axis or the Y-Axis.
  6. 8. 1 degree divided by 60 (60' = 1* or 1').
  7. 10. 1' divided by 60 (1" or 60" = 1' or 1* divided by 3600.
  8. 13. An angle is in _______ _______ if it's vertex is at the origin and its initial side is along the positive X-Axis.
  9. 15. A part of a line that starts at point A and to to and through point B.
  10. 17. The stopping point of the ray that formed and angle
  11. 18. Formed by rotating a ray around its end point.
  12. 21. An angle formed by a clockwise rotation around the end point.
  13. 24. Points in a space going off in opposite directions