An observer 1.5 m tall is 20 sqrt 3 m aw...

An observer 1.5 m tall is `20 sqrt 3 m` away from a chimney. The angle of elevation from the top of the chimney from his eyes is `30^@` and from bottom is `45^@`. Find the height of the chimney.

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An observer 1.5 m tall is 20sqrt(3) m away from a chimney. The angle of elevation from the top of the chimney from his eyes is 30° and from bottom is 45°. Find the height of the chimney.

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