1. A person walks 18 km towards North, then turns and walks 10 km towards East. What is the shortest (straight-line) distance from the starting point?
- A22.59
- B24.59
- C20.59
- D19.59
Show answer
Answer: C
Using the Pythagorean theorem: Distance = sqrt(18^2 + 10^2) = sqrt(324 + 100) = sqrt(424) = 20.59 km.