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posted by Shane .
Iam stuck with this question.Please anyone help me. An airplane is flying at an altitude of 10,000m.The pilot sees two ships A and B.Ship A is due south of P and 22.5km away(in a direct line).Likewise ship B is due East and 40.8km from P. The height is 10km. Find the distance between the two ships.

Assuming the distances are measured at sealevel, then the altitude of the plane does not affect the distance between the two ships as long as they are navigating both at sea level.
Since they form a right angled triangle with angle P, we can find the distance AB using Pythagoras theorem thus:
AB=√(PA²+PB²)
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