document.write( "Question 1207004: One angle of a triangle has a measure of 66 °. The measure of the third angle is 57° more than 1/2 the measure of the second angle. What is the measure of the second angle?\r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #844790 by math_tutor2020(3817) ![]() You can put this solution on YOUR website! \n" ); document.write( "66 = first angle \n" ); document.write( "x = second angle \n" ); document.write( "0.5x+57 = third angle\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For any triangle, the inside angles always add to 180 degrees.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "first+second+third = 180 \n" ); document.write( "66+(x)+(0.5x+57) = 180 \n" ); document.write( "1.5x+123 = 180\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I'll let the student take over from here. \n" ); document.write( " \n" ); document.write( " |