document.write( "Question 509911: Angles A and B are supplementary. If A is 40°, what is the measure of B? \n" ); document.write( "
Algebra.Com's Answer #341650 by unlockmath(1688)\"\" \"About 
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Hello,
\n" ); document.write( "Supplementary has to do with 180 degrees so if one angle is 40 then the other is 140 which adds up to 180.
\n" ); document.write( "Make sense?
\n" ); document.write( "RJ
\n" ); document.write( "www.math-unlock.com
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