document.write( "Question 277787: how many sides does a regular polygon have if the sum of its interior angle measures is 3240? \n" ); document.write( "
Algebra.Com's Answer #202192 by unlockmath(1688)![]() ![]() You can put this solution on YOUR website! Hello, \n" ); document.write( "There is a formula to follow which is: \n" ); document.write( "(n-2)180=total interior angle degrees. So we can plug in the known value: \n" ); document.write( "(n-2)180=3240 Rewritten as: \n" ); document.write( "180n-360=3240 Add 360 to both sides and divide by 180 to get: \n" ); document.write( "n=20 \n" ); document.write( "There we go, 20 sides. \n" ); document.write( "Make sense? \n" ); document.write( "RJ \n" ); document.write( "Check out a new book at: \n" ); document.write( "www.math-unlock.com \n" ); document.write( " |