document.write( "Question 289244: What is the sum of the measures of the interior angles of a 12-gon? \n" ); document.write( "
Algebra.Com's Answer #209580 by dabanfield(803)\"\" \"About 
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There is a theorem that says the the sum of the interior angles of a polygon with n sides is (n-2)*180 so for a 12-gon, n = 12 and we have:\r
\n" ); document.write( "\n" ); document.write( "(12-2)*180 = 10*180 = 1800
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