document.write( "Question 1155788: A polygon of n sides has half of the interior angles as 150 degrees each and the rest 170 degrees each. Find the value of n \n" ); document.write( "
Algebra.Com's Answer #778449 by Alan3354(69443)\"\" \"About 
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A polygon of n sides has half of the interior angles as 150 degrees each and the rest 170 degrees each. Find the value of n
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\n" ); document.write( "Ext angles are 30 and 10, equal # of each
\n" ); document.write( "n = 2*360/(30+10) = 18 sides
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\n" ); document.write( "9*150 + 9*170 = 2880 degs interior sum
\n" ); document.write( "2880 = 180*(18 - 2) as a check
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