1.   Determine the sum of measures of the interior angles of a regular octagon.
    A. 540 B. 1080
    C. 900 D. 720
    Hint

  2.   What is the measure of one exterior angle of a regular decagon?
    A. 288 B. 72
    C. 144 D. 36
    Hint

  3.   Find the sum of the exterior angles shown below.
   
    A. 180 B. 720
    C. 540 D. 360
    Hint

  4.   What is the measure of the missing angle?
   
    A. 140 B. 110
    C. 120 D. 150
    Hint

  5.   Find the value of x.
   
    A. 82 B. 60
    C. 297 D. 63
    Hint



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