document.write( "Question 351939: In a triangle, angle A is 1/3 of angle B and angle C is 40 degree more than angle B. Find the measure of each angle. \n" ); document.write( "
Algebra.Com's Answer #251439 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! In a triangle, angle A is 1/3 of angle B and angle C is 40 degree more than angle B. Find the measure of each angle. \n" ); document.write( "-------------------- \n" ); document.write( "Equations: \n" ); document.write( "A + B + C = 180 \n" ); document.write( "B = 3A \n" ); document.write( "C = B + 40 \n" ); document.write( "------------------- \n" ); document.write( "A+B+C = 180 \n" ); document.write( "B = 3A \n" ); document.write( "C = 3A + 40 \n" ); document.write( "---------------- \n" ); document.write( "Substitute and solve for A: \n" ); document.write( "A + 3A + 3A+40 = 180 \n" ); document.write( "7A = 140 \n" ); document.write( "A = 20 degrees \n" ); document.write( "---- \n" ); document.write( "B = 3A = 60 degrees \n" ); document.write( "--- \n" ); document.write( "C = 3A+40 = 100 degrees \n" ); document.write( "=============================== \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |