An angle of  or  is called a 
"reflex angle", measured around the outside
of a  or  angle, like the arc in
this drawing:



If you want to place it on a graph for a trigonometry class, 
it is be drawn as follows, where the blue arc represents
a rotation beginning at the right hand side of the x-axis, 
and swinging around counter-clockwise to the slanted line:



Edwin