document.write( "Question 492585: What is the measurement of a supplementary angle that is 20 degrees more than 3 times it's size? What are the measurements of the angles? \n" ); document.write( "
Algebra.Com's Answer #335097 by cleomenius(959)![]() ![]() You can put this solution on YOUR website! x + 3x + 20 = 180 \n" ); document.write( "4x + 20 = 180 \n" ); document.write( "4x = 160 \n" ); document.write( "x = 40 degrees. The smaller angle. \n" ); document.write( "3(40) + 20 = 140 The supplementary angle. \n" ); document.write( "This does check. \n" ); document.write( "cleomenius.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |