Hence required direction is South-West.
Therefore, it is clear that he is in the North from his house.
Required distance = 40 - 20 = 20 km.
North east direction.
North
West ___ | ___East
|
South
According to given Question,
I am facing West.
45° + 180° - 270° = -45°
Anticlockwise from initial position. Hence, the required direction is south - west.
Southwest
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