What rotation is needed to turn from North to South-West in a clockwise direction?
Rotation needed to turn from North to South-West in a clockwise direction is 45°X 5 = 225°
What rotation is needed to turn from South-West to South-East in a counter-clockwise direction?
What part of a revolution have you turned through if you stand to face: (a) East and turn clockwise to face north? (b) South and turn clockwise to face east? (c) West and turn clockwise to face east?