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The angle of depression of the top and b...

The angle of depression of the top and bottom of 20m tall building from the top of a multistoried building are `30^(@) and 60^(@)` respectively. The height of the multi storied building and the distance between two building (in meters) is ___.

A

`20, 10sqrt(3)`

B

`30, 5sqrt(3)`

C

`20, 10`

D

`30, 10sqrt(3)`

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The correct Answer is:
D
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