point?
A man walked 10 km towards North and turned to his right and walked 2 km and again turned right and walked 4 km Now the men in which direction from the
w
East
East
West
West
North - East
North - West
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Answer:
Let the starting point be ‘O’ (origin).
He walks 10 km towards North and walks back by 6 km towards South. Let him reach the point ‘A’.
Distance (OA) = 10–6=4 km.
Further, he moves towards East by 3 km. Let this point be ‘B’. Thus, AB=3 km.
Points O, A and B form a right angled triangle. OB being hypotenuse.
OB = sqrt (OA^2+AB^2) =sqrt (4^2+3^2) = 5 .
Thus, he is 5 km far from starting point in North-East direction.
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