1.   The common endpoint of two rays is called a(n)
    A. degree B. vertex
    C. angle D. side
    Hint

  2.   A name for the angle shown is ________.
   
    A. B.
    C. D.
    Hint

  3.   Use a protractor to measure .
   
    A. 100 B. 65
    C. 115 D. 180
    Hint

  4.   A skateboarding ramp is constructed with an angle of elevation of 40°. Classify this angle.
    A. acute B. obtuse
    C. right D. straight
    Hint

  5.   A mirror reflected a ray of light 145°. Classify the angle of reflection.
    A. obtuse B. straight
    C. acute D. right
    Hint



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