A person travels 5 km east, then 3 km north, then 2 km west. What is the shortest distance from the starting point?
Q1. A person travels 5 km east, then 3 km north, then 2 km west. What is the shortest distance from the starting point?
Answer: √(3² + 3²) km
Explanation: Net displacement east is 5 - 2 = 3 km, and north is 3 km, so use Pythagoras' theorem: √(3² + 3²).