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In the igure given, from the top of a bu...

In the igure given, from the top of a building AB = 60 m high, the angles of depression of the top and bottom of a vertical lamp post CD are observed to be `30^(@)and60^(@)` respectively. Find :
(i) the horizontal distance between AB and CD.

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The correct Answer is:
`20sqrt(3)`
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In the given figure, A from the top of a building AB = 60 m high, the angles of depression of the top and bottom of a vertical lamp post CD are observed to be 30^(@) and 60^(@) respectively. Find : the horizontal distance between AB and CD

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