The elevation of an object on a hill is...

The elevation of an object on a hill is observed from a certain point in the horizontal plane through its base, to be `30^@`. After walking 120 metres towards it on level ground the elevation is found to be `60^@` . Then the height of the object (in metres ) is

120

`60sqrt3`

`120sqrt3`

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DIPTI PUBLICATION ( AP EAMET)-PROPERTIES OF TRIANGLES -EXERCISE 1C

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