document.write( "Question 1159975: An interior angle of a regular polygon is 160 degress. Find the sum of it's interior angles. \n" ); document.write( "
Algebra.Com's Answer #783120 by MowMow(42)\"\" \"About 
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The sum of all the degrees of the interior angles equals (n - 2)x180.
\n" ); document.write( "Then 160N = 180(N-2)
\n" ); document.write( " 160N = 180N - 360
\n" ); document.write( " 20N = 360
\n" ); document.write( " n = 18 sides
\n" ); document.write( " 18x160 = 2880 degrees
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