A man observes the angle of elevation of the top of a building to be 30^o. He walks towards it in a horizontal line through its base. On covering 60 m the ∠ of elevation changes to 60^o. Find the height of the building correct to the nearest metre.

52 m

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50 m

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51 m

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26 m

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36 m

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Solution

The correct option is A
52 m

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A man observes the angle of elevation of the top of a building to be 30o. He walks towards it in a horizontal line through its base. On covering 60 m the ∠ of elevation changes to 60o. Find the height of the building correct to the nearest metre.

The correct option is A 52 m

A man observes the angle of elevation of the top of a building to be 30^o. He walks towards it in a horizontal line through its base. On covering 60 m the ∠ of elevation changes to 60^o. Find the height of the building correct to the nearest metre.

The correct option is A
52 m