An aeroplane leaves an airport and flies due north at a speed of 1000 – InterviewSolution

1.	An aeroplane leaves an airport and flies due north at a speed of 1000 km per hour. At the same tune, another aeroplane leaves the same airport and flies due west at a speed of 1200 km per hour. \|How far apart will be the two planes after 1`1/2
Answer» `OA=10003/2=1500Km` `OB=12003/2=1800Km` `/_OAB` is right angled `AB^2=OA^2+OB^2` `AB^2=1500^2+1800^2` `AB^2=61*300^2` `AB=2540Km`

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