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An aeroplane leaves an airport and file...

An aeroplane leaves an airport and files due north at a speed of 1000 km per hour. At the same time, another aeroplane leaves the same airpot and flies due west at a speed of 1200 km per hour . How far apart will be the two planes after `1(1)/(2)` hours ?

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The correct Answer is:
`300sqrt61km`
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ZEN PUBLICATION-TRIANGLES-TEXTUAL EXERCISES (EXERCISE 2.5)
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