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21.76. A man walked 3 km towards East, then5 km towards North-East, then 8 kmtowards South and finally 5 km towardsNorth-East direction. The distance of hispresent location from the starting pointwill be​

Answer»

The distance of the present LOCATION of the person from the starting POINT is-

5 km.

The track the person is following makes a parallelogram.

  • First the person moves 3 km towards his right side.
  • then moves 5 km SLANTING towards the south, i.e NORTH east side
  • then the person moves 8 km towards the left side.
  • then finally travels 5 km slanting towards north, i.e north east.

All these directions makes a parallelogram having a gap of 5 km between the starting and ending point.



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