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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

A

`120`

B

`60sqrt(3)`

C

`120sqrt(3)`

D

`60`

Text Solution

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The correct Answer is:
B
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