document.write( "Question 54283: The second angle of a triangle is 18 degrees more than twice the first. The third angle is three times as large as the second. How large are the angles? \n" ); document.write( "
Algebra.Com's Answer #36534 by Nate(3500)![]() ![]() ![]() You can put this solution on YOUR website! First angle = x \n" ); document.write( "Second angle = 2x + 18 \n" ); document.write( "Third angle = 3(2x + 18) = 6x + 54 \n" ); document.write( "x + 2x + 18 + 6x + 54 = 180 \n" ); document.write( "9x + 72 = 180 \n" ); document.write( "9x = 108 \n" ); document.write( "x = 12 \n" ); document.write( "First angle = 12 degrees \n" ); document.write( "Second angle = 42 degrees \n" ); document.write( "Third angle = 126 degrees \n" ); document.write( " |