document.write( "Question 497915: The second angle of a triangle measures 10degrees more than the first angle. The third angle measures of 30degrees less than twice the second angle. What are the measures of the three angles? \n" ); document.write( "
Algebra.Com's Answer #336862 by cleomenius(959)![]() ![]() You can put this solution on YOUR website! A = x \n" ); document.write( "B = x + 10 \n" ); document.write( "C = 2(x + 10) - 30 \n" ); document.write( "==================================================== \n" ); document.write( "x + x + 10 +2(x + 10) -30 = 180 \n" ); document.write( "x + x + 10 + 2x + 20 - 30 = 180 \n" ); document.write( "4x = 180 \n" ); document.write( "x = 45 degrees. This is the first angle. \n" ); document.write( "================================================== \n" ); document.write( "A = 45 degrees \n" ); document.write( "B = 45 + 10 = 55 \n" ); document.write( "B = 55 degrees \n" ); document.write( "C = 2(55) - 30 = 80 Degrees, \n" ); document.write( "C = 80 degrees. \n" ); document.write( "This does check. \n" ); document.write( "Cleomenius.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |