1.   Choose the best description for the figure.
   
    A. not a polygon B. semicircle
    C. polygon D. regular polygon
    Hint

  2.   The sum of the measures of the angles of a regular octagon is 1080. What is the measure of each angle?
    A. 144° B. 120
    C. 108° D. 135
    Hint

  3.   The sum of the measures of the angles of a regular octagon is 1080. What is the measure of each angle?
    A. 120 B. 135
    C. 108° D. 144°
    Hint

  4.   By drawing triangles, you can find that all of the measures of the angles in an octagon add up to 1080°. Find the measure of one angle in a regular octagon.
    A. 135° B. 150°
    C. 1080° D. 1072°
    Hint

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



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