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From the school gate, Arif walks 20 m west, turns left and walks 21 m. What is his straight-line distance from the gate?

Competition practiceDirection Sense
  • A29 m
  • B41 m
  • C1 m
  • D31 m

Step-by-Step Solution

The westward and southward legs are perpendicular, so the distance = √ √(400 + 441) = √841 = 29 m.
Answer: A) 29 m

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