Multiple choice

Directions: Study the information given below carefully and answer the question that follows: A, B, C, D, E, F, G, H and I are nine houses. C is 2 km east of B. A is 1 km north of B and H is 2 km south of A. G is 1 km west of H while D is 3 km east of G and F is 2 km north of G. I is situated just in middle of B and C while E is just in middle of H and D.

The distance between A and F is

  1. 1 km

  2. 1.41 km

  3. 2 km

  4. 3 km
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Set up a coordinate grid with B as origin (0,0). From the given directions: A is at (0,1), C at (2,0), H at (0,-1), G at (-1,-1), D at (2,-1), F at (-1,1). The distance between A (0,1) and F (-1,1) is the horizontal difference of 1 km.

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