document.write( "Question 245759: in triangle abc, the measure of angle b is 20 degrees more than three times the measure of angle a. the measure of angle c is 55 degrees more than the measure of angle a. find the measure of each angle. \n" ); document.write( "
Algebra.Com's Answer #179458 by TheProdicalSon(34)![]() ![]() ![]() You can put this solution on YOUR website! b = 3a + 20 \n" ); document.write( "c = a + 55 \n" ); document.write( "a + b + c = 180\r \n" ); document.write( "\n" ); document.write( "-c + a = -55 \n" ); document.write( "a + b + c = 180\r \n" ); document.write( "\n" ); document.write( "-2a - b = -125 \n" ); document.write( "b - 3a = 20\r \n" ); document.write( "\n" ); document.write( "-5a = -105 \n" ); document.write( "a = 21 degrees \n" ); document.write( "b = 83 degrees \n" ); document.write( "c = 76 degrees \n" ); document.write( " |