Question

3. A person has to walk 100 m to go from position X in the north-east direction to the position Y ,and then to the west of Y to reach finally at position Z. The position Z is situated at the north of X and at a distance of 60 m from X. Find the distance

Answer 1

Answer:

The distance is 80 m

Step-by-step explanation:

This question's wording wasn't so good. We can use the Pythagorean Theorem to get

60² + b² = 100²

We can simplify this to get

3600 + b² = 10000

We can subtract 3600 from both sides to get

b² = 6400

Which means b = 80.

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