document.write( "Question 1144669: the ratio of the interior and exterior angle of a regular polygon is 5:2.find the number of sides of the polygon. \n" ); document.write( "
Algebra.Com's Answer #765828 by Alan3354(69443)\"\" \"About 
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the ratio of the interior and exterior angle of a regular polygon is 5:2.find the number of sides of the polygon.
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\n" ); document.write( "5x + 2x = 180
\n" ); document.write( "x = 180/7
\n" ); document.write( "Ext = 360/7 = 360/n
\n" ); document.write( "n = 7 sides
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