Angles Vocabulary Words

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Across
  1. 3. an angle that measures more than 90 but less than 180 degrees
  2. 4. the value of the sin cos tan ratio in radicals or fractions and not rounded decimals
  3. 6. arm of an angle which an angle begins usually at +x - axis
  4. 8. the coordinate system using (x,y) to locate points
  5. 10. the symbol used to represent an angle
  6. 11. the direction of rotation of the terminal arm
  7. 14. the acute angle whose vertex at origin and formed by the terminal arm to the closest x- axis
  8. 17. angles whose terminal arm lies at the axis such as 0, 90, 180, 270 and 360 degrees
Down
  1. 1. one of the four regions of the coordinate plane
  2. 2. the common endpoint where initial and terminal arm meet.
  3. 5. an angle that measures exactly 90 degrees
  4. 7. an angle that measures less than 90 degrees
  5. 9. arm of an angle that rotates and where the angle ends.
  6. 12. the name of point (0,0) in the cartesian plane.
  7. 13. Rene _______ who invented the cartesian coordinate system.
  8. 15. type of line used to draw the arms of an angle
  9. 16. an angle that measures exactly 180 degrees