document.write( "Question 1170312: △ D E F , m ∠ D = 2 x + 3 , m ∠ E = 5 x , a n d m ∠ F = 4 x + 1. \r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "find the measure of
\n" ); document.write( "x
\n" ); document.write( "m ∠ D
\n" ); document.write( "m ∠ E
\n" ); document.write( "m ∠ F
\n" ); document.write( "

Algebra.Com's Answer #795182 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
The sum of the angles is 180 degrees
\n" ); document.write( "2x+3+5x+4x+1=180
\n" ); document.write( "11x+4=180
\n" ); document.write( "11x=176
\n" ); document.write( "x=16 degrees
\n" ); document.write( "so
\n" ); document.write( "Angle D is 35 degrees
\n" ); document.write( "angle E is 80 degrees
\n" ); document.write( "angle F is 65 degrees
\n" ); document.write( "
\n" );