document.write( "Question 826229: the sum of all angles of a polygon is 1800. what is the sum of all angles of a polygon with one side less than this polygon? \n" ); document.write( "
Algebra.Com's Answer #497946 by Alan3354(69443)\"\" \"About 
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the sum of all angles of a polygon is 1800. what is the sum of all angles of a polygon with one side less than this polygon?
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\n" ); document.write( "1800 - 180 = 1620 degs
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