From a viewing tower 30 metres above the ground, the angle of depression of an object on the ground is 30^o and the angle of elevation...

From a viewing tower 30 metres above the ground, the angle of depression of an object on the ground is 30^o and the
angle of elevation of an aircraft vertically above the object is 42^o. Calculate the height of the aircraft above the ground.

Answers

sharon kalunda answered the question on May 3, 2019 at 10:12

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