The angle of elevation of the top of a chimney from the foot of a tower is 60^∘ and the angle of ...

Описание: The angle of elevation of the top of a chimney from the foot of a tower is 60^∘ and the angle of depression of the foot of the chimney from the top of the tower is 30^∘. If the height of the tower is 40 metres, find theheight of the chimney.According to pollution control norms, the minimum height of a smokeemitting chimney should be 100 metres. State if the height of the above-mentioned chimney meets the pollution norms. What value is discussed in this question?

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