Answer:
We know that, angle between two adjacent directions is a right angle. (a) We have, If we start turning clockwise from South to West, we make one right angle. (b) We have, If we start turning anti-clockwise from North to East, we make three right angles. (c) We have, If we start turning anti-clockwise or clockwise from West to West, we make four right angles. (d) We have, If we start turning clockwise from South to North, we make two right angles.
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