How many right angles do you make if you start facing
(a) south and turn clockwise to west?
(b) north and turn anti-clockwise to east?
(c) west and turn to west?
(d) south and turn to north?
Answer (a)
Starting from south, we make 1 right angle in the clockwise direction to face west.
Answer (b)
Starting from north, we make 3 right angles in the anti-clockwise direction to face east.
Answer (c)
Starting from west, we make 4 right angles in the anti-clockwise or clockwise direction to face west again.
Answer (d)
Starting from south, we make 2 right angles in the anti-clockwise or clockwise direction to face north.
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