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Answer any One question : The length of the shodow of a post becomes 3 meters smaller when the angle of elevation of the Sun increases from `45^@` to `60^@`. Find the height of the post.

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The length of the shadow of a post becomes 3 metres smaller when the angle of elevation of the sun increases from 45^(@) to 60^(@) . Find the height of the post. [ Let sqrt(3) = 1.732 (appeox.)]

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