1.   Which of the following figures is not a hexagon?
    A. B.
    C. D.
    Hint

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

  3.   Which puzzle piece will tessellate?
    A. B.
    C. D.
    Hint

  4.   What is the name of a polygon that has seven sides?
    A. octagon B. nonagon
    C. heptagon D. hexagon
    Hint

  5.   The sum of the angle measures of a regular hendecagon (an 11-sided polygon) is 1620°. What is the measure of each of the angles of the hendecagon? Round your answer to the nearest whole degree.
    A. 90° B. 147°
    C. 144° D. 150°
    Hint



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