A person walks 3 km south, then 4 km west. What is the shortest distance from the starting point?
Q1. A person walks 3 km south, then 4 km west. What is the shortest distance from the starting point?
Answer: 5 km
Explanation: Using Pythagoras' theorem, the shortest distance = √(3² + 4²) = √(9 + 16) = √25 = 5 km.