document.write( "Question 497906: The measure of one angle of a triangle is twice the measure of a second angle. The measure of the third angle is 12 less than the sum of the other two. Find the measures of the angles of the triangle. \n" ); document.write( "
Algebra.Com's Answer #336895 by cleomenius(959) You can put this solution on YOUR website! A = 2x \n" ); document.write( "B = x \n" ); document.write( "C = x + 2x - 12 \n" ); document.write( "=========================================== \n" ); document.write( "2x + x + x + 2x -12 = 180 degrees. \n" ); document.write( "6x = 12 = 180 degrees \n" ); document.write( "6x =192 \n" ); document.write( "x = 28 \n" ); document.write( "============================================ \n" ); document.write( "A = 64 degrees \n" ); document.write( "B = 32 degrees \n" ); document.write( "C = 84 degrees \n" ); document.write( "========================================== \n" ); document.write( "64 + 32 + 84 = 180 degrees. This does check. \n" ); document.write( "Cleomenius.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |