Ahmed walks 2 km east, then 5 km north, then 2 km west, then 3 km north. How far is he from his starting point, and in which direction?

  1. 9 km North
  2. 12 km North
  3. 8 km North
  4. 8 km South
Answer

C) 8 km North

Net east–west: 0 km, net north–south: 8 km. Distance = 0^2 + 8^2 = 8 km, towards the North.

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