1.   What is the measure of an interior angle of a regular 9-gon?
    A. 147 B. 144
    C. 135 D. 140
    Hint

  2.   The measure of an interior angle of a regular polygon is 160. How many sides does the polygon have?
    A. 16 B. 20
    C. 18 D. 12
    Hint

  3.   An exterior angle of a regular polygon has a measure of 30. Find the sum of the measures of the interior angles.
    A. 2520 B. 2160
    C. 2880 D. 1800
    Hint

  4.   The exterior angle of a regular polygon is 32.7°. Find the number of sides.
    A. 7 B. 10
    C. 11 D. 6
    Hint

  5.   Find the measure of .
   
    A. 75° B. 110°
    C. 29° D. 140°
    Hint



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