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Two men are on the opposite sides of a tower. They measure the angles of elevation of the top of the tower as `45^(@)` and `30^(@)` respectively. If the height of the tower is 40 m, then the distance between the men is

A

`40 m`

B

`40sqrt3m`

C

`68.280m`

D

`109.28m`

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The correct Answer is:
D
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