document.write( "Question 549007: If angle b=(180-x)°,what is the measure of a supplement of angle b?
\n" ); document.write( "A)180°
\n" ); document.write( "B)x°
\n" ); document.write( "C)(180+x)°
\n" ); document.write( "D)(90-x)°
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #357404 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
The supplement of angle b is \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "180 - (180-x) = 180-180+x = x\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So the supplement of angle b is x\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So the answer is choice B)
\n" ); document.write( "
\n" );