document.write( "Question 613047: what is the exterior angle and number of sides if the interior equal 140 degrees \n" ); document.write( "
Algebra.Com's Answer #385856 by Alan3354(69443)\"\" \"About 
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what is the exterior angle and number of sides if the interior equal 140 degrees
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\n" ); document.write( "Ext angle = 180 - 140 = 40 degs
\n" ); document.write( "n = 360/40 = 9 sides
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