The piolet of an aeroplane flying horizontally at a speed of 12km/hr observes that the angle of depression of a point on the ground changes from 30degree to 45 degree in 15 seconds. Find the height at which the aircraft is flying.
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Answer:
the height at which the aircraft is flying is 15m
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Step-by-step explanation:
the height at which the aircraft is flying is 15m.....
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