document.write( "Question 627465: A regular polygon of(2k +1)sides has 140 as d size of each interior angle.find k \n" ); document.write( "

Algebra.Com's Answer #394947 by hammy(9) $\"\"$ $\"About$

You can put this solution on YOUR website!
S=180*(n-2)
\n" ); document.write( "(2k+1)*140=180
\n" ); document.write( "(2k+1)/(2k-1)=9/7
\n" ); document.write( "18k-9=14k+7
\n" ); document.write( "4k=16
\n" ); document.write( "k=4\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );