Question 902110
<pre>
North points up, 
South points down, 
East points to the right,
West points to the left.

70° west of south starts south (straight downward) and swings 
clockwise towards the west (left) 

(Like a clock hand swinging from 6 o'clock to about 8 o'clock)


{{{drawing(300,300,-1,1,-1,1,line(-1,0,1,0),line(0,1,0,-1),

line(-.9396926208,-.3420201433,0,0),line(-.85,-.25, -.9396926208,-.3420201433),
line(-.8,-.36, -.9396926208,-.3420201433),
red(arc(0,0,.6,-.6,200,270)),locate(-.17,-.1,"70°"),locate(0.02,1,N),locate(.02,-.9,S),locate(-1,0,W),locate(.97,0,E)

 )}}}

Edwin</pre>