What part of a revolution have you turned through if you stand facing
(a) East and turn clock wise to face north?
(b) South and turn clockwise to face east?
(c) West and turn clockwise to face east?
If we
revolve one complete round in either clockwise or anti-clockwise
direction, then we will revolve by 360º and the two adjacent
directions will be at 90º or
of a complete revolution away from each other.
(a) If we start facing East and turn clockwise to face North, then we
have to make
of
a revolution.
(b) If we start facing South and turn clockwise to face east, then we
have to makeof
a revolution.
(c) If we start facing West and turn clockwise to face East, then we
have to make
of
a revolution.
