SOLUTION: what is the exterior angle and number of sides if the interior equal 140 degrees

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Question 613047: what is the exterior angle and number of sides if the interior equal 140 degrees
Answer by Alan3354(69443) About Me  (Show Source):
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what is the exterior angle and number of sides if the interior equal 140 degrees
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Ext angle = 180 - 140 = 40 degs
n = 360/40 = 9 sides