CA Foundation P3 · Chapter 10 · Question 6 of 8
In a new system of directions, South-East is called North and North-East is called West. What will West be called?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) South-East
Explanation
Measure directions clockwise from North: South-East = 135° becomes North = 0°, a rotation of 135° anticlockwise. Check: North-East = 45° becomes 45° − 135° = −90° = 270°, which is West. Applying the same rotation, West = 270° becomes 270° − 135° = 135°, which is South-East.
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