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

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

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

  4.   The sum of the angle measures of a regular dodecagon (a 12-sided polygon) is 1800°. What is the measure of each angle of a regular dodecagon?
    A. 150° B. 140°
    C. 100° D. 144°
    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. 144° B. 150°
    C. 90° D. 147°
    Hint



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