If a man walks 9 km east, then turns right and walks 4 km, what is his distance from the starting point?
Q1. If a man walks 9 km east, then turns right and walks 4 km, what is his distance from the starting point?
Answer: √97 km
Explanation: Using Pythagoras' theorem: √(9² + 4²) = √(81 + 16) = √97 km.