document.write( "Question 1205790: 4 sided polygon with angles of 20x, 8(2x+9degrees), 36x . Determine the value of angle x \n" ); document.write( "
Algebra.Com's Answer #842817 by josgarithmetic(39617)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"20x%2B8%282x%2B9%29%2B36x%2Bstillmissingsomething=360\"
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