1.   Estimate the measure of .
   
    A. 45° B. 60°
    C. 90° D. 30°
    Hint

  2.   Estimate the measure of the angle shown.
   
    A. 75° B. 20°
    C. 50° D.
    Hint

  3.   What is a reasonable estimate for the measure of the angle shown?
   
    A. 130° B. 85°
    C. 65° D. 100°
    Hint

  4.   Which of the following angles represents a 45° angle?
    A. B.
    C. D.
    Hint

  5.   Which angle is a 120° angle?
    A. B.
    C. D.
    Hint



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