document.write( "Question 257267: In parallelogram DATE, m∠D = 8x - 20 and m∠A = 2x + 30. Find x. \n" ); document.write( "
Algebra.Com's Answer #189195 by drk(1908)![]() ![]() ![]() You can put this solution on YOUR website! In a parallelogram, 2 adjacent angles are supplementary, so, we get \n" ); document.write( " \n" ); document.write( "combining like terms, we get \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |