How Far Ship from the Starting Point? If

A ship after sailing 12 km towards south from a particular place covered 5 km more towards east. Then the straightway distance of the ship from that

  1. 13 km
  2. 11 km
  3. 18 km
  4. 15 km

 

Anurag Mishra Professor Asked on 12th August 2015 in Maths.
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    Answer: (1) 13 km

    Explanation:-
    In the figure-

    RE: How Far Ship from the Starting Point? If


    The  straightway distance from starting point to end point = (12^2 + 5^2)^1/2
    = (144 + 25)^1/2
    = (169)^1/2
    = 13 km

    Hence, the answer is (1) 13 km.

    Anurag Mishra Professor Answered on 3rd September 2015.
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