document.write( "Question 855465: in a regular polygon, each exterior angle is 140 degrees less than each interior angle. How many sides has the polygon? \n" ); document.write( "
Algebra.Com's Answer #515370 by Alan3354(69443)\"\" \"About 
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ext angles = 20 degs
\n" ); document.write( "360/20 = 18 sides
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