A man walks 6 km south, then turns left and walks 8 km. How far is he from the starting point?
- A. 8 km
- B. 12 km
- C. 14 km
- D. 10 km ✓
Correct answer
D. 10 km
Explanation
Using the Pythagorean theorem on the 6 km and 8 km legs: the straight-line distance is the square root of (6^2 + 8^2) = 10 km.