1.   Which of the following is a regular polygon?
    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. 135° B. 90°
    C. 120° D. 108°
    Hint

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

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

  5.   Which figure will tessellate?
    A. B.
    C. D.
    Hint



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