document.write( "Question 1014449: The measure of an angle is 139°. What is the measure of a supplementary angle?
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Algebra.Com's Answer #630735 by ikleyn(52788)\"\" \"About 
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\n" ); document.write( "It is 180° - 139° = 41°.\r
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\n" ); document.write( "\n" ); document.write( "Supplementary angles sum up to 180°.\r
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