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Vishnu starts when he was facing North. He turns left, travels 39m, turns left again, and travels 17m to reach B. From B, he moves 20m east to C. From C, he turns right, walks 23m to D, turns left, and walks 10m to his final destination. What is the distance between his initial and final points, and in which direction is the final point from the initial point?
The final point is 40 m south and 9m west to the starting point.
So, the distance between the two points is $$\sqrt{9^2+40^2}=41m$$
Hence the answer is 41m, south-west.
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