document.write( "Question 408109: The second angle of a triangle is 4 times as large as the first. The third angle is 110 more than the sum of the other two angles. Find the measure of the second angle. \n" ); document.write( "
Algebra.Com's Answer #287573 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! The second angle of a triangle is 4 times as large as the first. The third angle is 110 more than the sum of the other two angles. Find the measure of the second angle. \n" ); document.write( ". \n" ); document.write( "Let x = first angle \n" ); document.write( "then \n" ); document.write( "4x = second angle \n" ); document.write( "x+4x+110 = third angle \n" ); document.write( ". \n" ); document.write( "x + 4x + x+4x+110 = 180 \n" ); document.write( "10x+110 = 180 \n" ); document.write( "10x = 70 \n" ); document.write( "x = 7 degrees \n" ); document.write( ". \n" ); document.write( "Second angle: \n" ); document.write( "4x = 4(7) = 28 degrees \n" ); document.write( " |