document.write( "Question 389301: The second angle of a triangle is 7 degrees more than three times the first angle. The third angle is 12 degrees greater than the second angle. What are the measures of the three angles? \n" ); document.write( "
Algebra.Com's Answer #275841 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! x+(3x+7)+(3x+7)+12=180 \n" ); document.write( "7x=154 \n" ); document.write( "x=22 \n" ); document.write( "3x+7=73 \n" ); document.write( "3x+19=85 \n" ); document.write( " |