document.write( "Question 597182: One angle of a polygon has 140 degrees and the rest are each 40 degrees smaller. Find the number of sides of the polygon. \n" ); document.write( "
Algebra.Com's Answer #378049 by Alan3354(69443)\"\" \"About 
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One angle of a polygon has 140 degrees and the rest are each 40 degrees smaller. Find the number of sides of the polygon.
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\n" ); document.write( "If you mean the rest are each 100 degs:
\n" ); document.write( "Possible sums are:
\n" ); document.write( "340
\n" ); document.write( "440
\n" ); document.write( "540 --> 5 sides
\n" ); document.write( "640
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\n" ); document.write( "1440 --> 10 sides
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\n" ); document.write( "2340 --> 15 sides
\n" ); document.write( "etc
\n" ); document.write( "The sum has to be a multiple of 180. Adding 900 degs gives the results.
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