document.write( "Question 466347: The second angle of a triangle is 4 times as large as the first. The third angle is 45 degrees less than the sum of the other two angles. Find the measure of each angle. \n" ); document.write( "
Algebra.Com's Answer #319675 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 1st = x \n" ); document.write( "2nd = 4x \n" ); document.write( "3rd = x + 4x - 45 \n" ); document.write( "------------------- \n" ); document.write( "1st + 2nd + 3rd = 180 \n" ); document.write( "x + 4x + 5x - 45 = 180 \n" ); document.write( "10x = 135 \n" ); document.write( "x = 22.5 degs \n" ); document.write( "1st = 22.5º \n" ); document.write( "2nd = 90º \n" ); document.write( "3rd = 67.5º \n" ); document.write( " \n" ); document.write( " |