Question

(11) LquutoIT UI
(c) The angle of elevation of an aeroplane from a point A on the ground is 60°. After 12 seconds nrUm
the same point A, the angle of elevation of the same plane changes to 30°. If the plane is flying
horizontally at a speed of 600/3 km/h, find the height at which the plane is flying.​

Answer 1

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