A balloon is coming down at the rate of 4 m/min. and its angle of elevation is 45o from a point on the ground which has been reduced to 30o after 10 minutes. Balloon will be on the ground at a distance of how many meters from the observer

A balloon is coming down at the rate of 4 m/min. and its angle of elev

1.	A balloon is coming down at the rate of 4 m/min. and its angle of elevation is 45o from a point on the ground which has been reduced to 30o after 10 minutes. Balloon will be on the ground at a distance of how many meters from the observer
A.	\[20\,\sqrt{3}\,m\]
B.	\[20\,(3+\sqrt{3})\,m\]
C.	\[10\,(3+\sqrt{3})\,m\]
D.	None of these
Answer» C. \[10\,(3+\sqrt{3})\,m\]

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A balloon is coming down at the rate of 4 m/min. and its angle of elevation is 45o from a point on the ground which has been reduced to 30o after 10 minutes. Balloon will be on the ground at a distance of how many meters from the observer

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