document.write( "Question 923336: ΔABC is an isosceles triangle in which angles B and C are congruent. If m∠B = (2x + 16)° and m∠C = (3x - 11)°, find the measure of angle A. \n" ); document.write( "
Algebra.Com's Answer #559963 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! isosceles triangle in which angles B and C are congruent \n" ); document.write( "2x + 16 = 3x-11 \n" ); document.write( "27 = x \n" ); document.write( "m∠B = 70° and m∠C = 70° \r \n" ); document.write( "\n" ); document.write( "m∠A = 180° - 140° = 40° \n" ); document.write( " \n" ); document.write( " |