A man travels 18 km east, then 24 km north. What is the shortest distance from the starting point?
Q1. A man travels 18 km east, then 24 km north. What is the shortest distance from the starting point?
Answer: 30 km
Explanation: Apply Pythagoras theorem: √(18² + 24²) = √(324 + 576) = √900 = 30 km.