A person travels 5 km north, then turns right and travels 3 km. What is the shortest distance to return to the starting point?
Q1. A person travels 5 km north, then turns right and travels 3 km. What is the shortest distance to return to the starting point?
Answer: √(5² + 3²) km
Explanation: Using Pythagoras' theorem, the shortest distance is the hypotenuse of a right-angled triangle with legs 5 km and 3 km.