Question 45
Peter walked 8 kms. west and turned right and walked 3 kms. The again he turned right and walked 12 kms. How far is he from the starting point ?
Solution
Peter's final position is 3 km north and 4 km east. So, the distance of this point from the starting point is $$\sqrt{3^2 + 4^2}$$ = 5 km
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