1.   Use the figure below to name a pair of adjacent angles.
    A. 2 and 3 B. 1 and 2
    C. 2 and 4 D. 3 and 4

  2.   Which angle is adjacent to KCL ?
    A. JCK B. KCB
    C. ACJ D. BCL

  3.   Name two angles that form a linear pair.
    A. QOS and SOU B. TOU and ROS
    C. POQ and QOS D. POU and SOT

  4.   Do AMB and HMJ form a linear pair. Explain.
    A. Yes; the angles have the same vertex and have opposite rays. B. No; the angles are not the same measure.
    C. No; the angles are not adjacent. D. Yes; two noncommon sides are opposite rays.

  5.   Identify the pair of angles, 1 and 2, as a linear pair, adjacent pair, or neither in as many ways as possible.
    A. neither B. only adjacent
    C. D. linear and adjacent angles

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