A man walks 5 km North, 3 km East, 2 km North, 4 km East. How far from start?

Question

Accepted Answer

(B) √74 km. Explanation: Total North = 7 km, Total East = 7 km. Distance = √(7²+7²) = √98 = 7√2 ≈ 9.9 ≈ √74