document.write( "Question 580879: what do you call a zero degree angle? \n" ); document.write( "
Algebra.Com's Answer #371382 by dfrazzetto(283)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "a null angle\r
\n" ); document.write( "\n" ); document.write( "a line
\n" ); document.write( "
\n" );