document.write( "Question 966427: Each interior angle of a regular polygon is 160. How many sides has it? \n" ); document.write( "
Algebra.Com's Answer #590678 by Alan3354(69443)\"\" \"About 
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Each interior angle of a regular polygon is 160. How many sides has it?
\n" ); document.write( "--> Ext angles = 20 degs
\n" ); document.write( "360/20 = 18 sides
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