1.   Which of the following statements does not necessarily describe a polygon?
    A. consists of 3 or more line segments B. lines do not intersect
    C. closed D. symmetrical

  2.   Which of the following is a regular polygon?
    A. B.
    C. D.

  3.   The sum of the measures of the angles of a regular octagon is 1,080. Find the measure of one of its angles.
    A. 90° B. 108°
    C. 135° D. 120°

  4.   Choose the best description for the picture.
    A. regular hexagon B. hexagon
    C. regular octagon D. octagon

  5.   Which of the following angle measures represents the angles of a regular polygon that can be used to make a tessellation?
    A. 150° B. 108°
    C. 120° D. 140°

The McGraw-Hill Companies