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In the regular octagon below, find x.

 

 Nov 28, 2021
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Sum of interior angles of OCTAGON =     (8-2)180 = 1080

   each interior angle = 1080/8  = 135 degrees

 

    interior + exterior angles = 180

       135    + x     = 180               x = 45 degrees

 Nov 28, 2021

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