document.write( "Question 644184: the measure of angle A is 9 more than twice the measure of angle B. Ig angle A and angle B are supplementary angles, what is the measure of angle A? \n" ); document.write( "
Algebra.Com's Answer #404892 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! the measure of angle A is 9 more than twice the measure of angle B. Ig angle A and angle B are supplementary angles, what is the measure of angle A? \n" ); document.write( ". \n" ); document.write( "Let b = measure of angle B \n" ); document.write( "then \n" ); document.write( "2b+9 = measure of angle A \n" ); document.write( ". \n" ); document.write( "b + 2b+9 = 180 \n" ); document.write( "3b+9 = 180 \n" ); document.write( "3b = 171 \n" ); document.write( "b = 57 degrees \n" ); document.write( ". \n" ); document.write( "Measure of angle A: \n" ); document.write( "2b+9 = 2(57)+9 = 114+9 = 123 degrees (answer) \n" ); document.write( " |