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The shadow of a tower standing on a leve...

The shadow of a tower standing on a level ground is found to be 40 m longer when the Suns altitude is `30o`than when it is `60o`. Find the height of the tower.

A

`20sqrt3 m`

B

`20m`

C

`10sqrt3m`

D

`30sqrt3m`

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The correct Answer is:
A
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