1.   Which characteristic of a regular polygon is used to determine if it tessellates?
    A. The angle measure at each vertex is a factor of 360. B. The polygon has an even number of sides and angles.
    C. The angle measure at each vertex is less than 180. D. The sum of the measures of the angles is a multiple of 360.
    Hint

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

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

  4.   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. 90°
    C. 150° D. 147°
    Hint

  5.   Which of the following angle measures represents the angles of a regular polygon that can be used to make a tessellation?
    A. 60° B. 140°
    C. 144° D. 108°
    Hint



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