document.write( "Question 904430: < A is a supplement of < B and is a right angle, then what is m < B in degrees? \n" ); document.write( "
Algebra.Com's Answer #548683 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! 180°-A = B \n" ); document.write( "180°-90° = B \n" ); document.write( "90° = B \n" ); document.write( " |