document.write( "Question 141847: please help!!! Angle B (sry don't know what symbol to use for angle) is supplementary to Angle A determine m(Angle)B Angle A = 42 degrees Thanks for helping. \n" ); document.write( "
Algebra.Com's Answer #103336 by stanbon(75887)\"\" \"About 
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Angle B (sry don't know what symbol to use for angle) is supplementary to Angle A determine m(Angle)B Angle A = 42 degrees
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\n" ); document.write( "A + B = 180 degrees
\n" ); document.write( "42 + B = 180
\n" ); document.write( "B = 180-42 = 138 degrees
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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