document.write( "Question 968299: one angle is 89 degrees and its supplement is:
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Algebra.Com's Answer #591717 by MathLover1(20855)\"\" \"About 
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\n" ); document.write( "supplement means angle \"A\" + angle \"B\"=\"180\" degrees\r
\n" ); document.write( "\n" ); document.write( "so, if angle \"A=89\"degrees, then angle \"B=180-89=91\"degrees
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