# Question - Pythagoras Theorem

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ConceptPythagoras Theorem

#### Question

An aeroplane leaves an airport and flies due north at a speed of 1,000 km per hour. At the same time, another aeroplane leaves the same airport and flies due west at a speed of 1,200 km per hour. How far apart will be the two planes after 1 1/2 hours?

#### Solution

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