document.write( "Question 878488: What is the supplement of an angle the measures 81 degrees? \n" ); document.write( "
Algebra.Com's Answer #529966 by jim_thompson5910(35256)\"\" \"About 
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Supplementary angles add to 180 degrees.\r
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\n" ); document.write( "\n" ); document.write( "81 + x = 180\r
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\n" ); document.write( "\n" ); document.write( "x = 180 - 81\r
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\n" ); document.write( "\n" ); document.write( "x = 99\r
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\n" ); document.write( "\n" ); document.write( "The other missing angle is 99 degrees
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