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A balloon is coming down at the arate of...

A balloon is coming down at the arate of 4m/min and its angle of elevation is `45^(0)` froma point on the ground which has been reduced to `30^(0)`,after 10 min . Balloon will be onthe ground at a distance of how many meters from the observer ?

A

`20sqrt(3)m`

B

`20(3+sqrt(3))m`

C

`10 (3+sqrt(3))m`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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