document.write( "Question 1100120: ΔABC is an isosceles triangle in which angles B and C are congruent. If m∠B = (4x + 10)° and m∠C = (x - 31)°, find the measure of angle A. \n" ); document.write( "
Algebra.Com's Answer #714623 by josgarithmetic(39626) ![]() You can put this solution on YOUR website! Congruent means that they have equal measures.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Solve for x. \n" ); document.write( " |