A person moves 6 km south, then turns right and moves 4 km. What is the shortest distance from the starting point?
Q1. A person moves 6 km south, then turns right and moves 4 km. What is the shortest distance from the starting point?
Answer: 2√13 km
Explanation: Use Pythagoras' theorem: √(4² + 6²) = √(16 + 36) = √52 = 2√13 km.