document.write( "Question 303677: one angle of a triangle measures 12 degrees. the second angle's measurement is five times the third. what is the measure of the third angle? \n" ); document.write( "
Algebra.Com's Answer #217612 by Stitch(470)\"\" \"About 
You can put this solution on YOUR website!
The sum of the interior angles of a triangle equals 180.
\n" ); document.write( "So: \"12+%2B+5X+%2B+X+=+180\"
\n" ); document.write( "Subtract 12 from both sides
\n" ); document.write( "\"5X+%2B+X+=+168\" Simplify
\n" ); document.write( "\"6X+=+168\" Divide both sides by 6
\n" ); document.write( "\"highlight%28X+=+28%29\"
\n" ); document.write( "
\n" );