document.write( "Question 694513: Each interior angle of a regular polygon is 160 degree. How many sides does it have? \n" ); document.write( "
Algebra.Com's Answer #427971 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Each interior angle of a regular polygon is 160 degree. How many sides does it have?
\n" ); document.write( "--------------
\n" ); document.write( "Ext angles = 20 degs
\n" ); document.write( "# of sides = 360/20 = 18
\n" ); document.write( "
\n" ); document.write( "
\n" );