document.write( "Question 7123: What is a supplementary? \n" ); document.write( "
Algebra.Com's Answer #3915 by Earlsdon(6294)\"\" \"About 
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Two angles are said to be \"supplementary\" when their sum is 180 degrees.\r
\n" ); document.write( "\n" ); document.write( "Example: If angle A = 65 degrees and angle B = 115 degrees, then angles A and B are supplementary angles because their sum is 180 degrees.
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