A person walks 2 km east, then 3 km north, and finally 2 km west. What is the straight-line distance between the initial and final positions?
Q1. A person walks 2 km east, then 3 km north, and finally 2 km west. What is the straight-line distance between the initial and final positions?
Answer: 3 km
Explanation: The person ends up 3 km north from the starting point as east and west walks cancel out. So, the straight-line distance is 3 km.