In a town, L is 7 m west of K. M is 3 m north of L. N is 11 m east of M. What is the shortest distance between N and K?
Correct answer C. 5 m
Explanation
Placing K at the origin, N is 4 m east and 3 m north of K. By Pythagoras the distance is the square root of (4² + 3²), which is 5 m.
Answer checked How we write and check questions
Discussion