From the top of a light house 60 meters high with its base at the sea level, the angle of depression of a boat is 15o. The distance of the boat from the foot of light house is [MNR 1988; IIT 1983; MP PET 1994, 2001; UPSEAT 2000]

\[\left( \frac{\sqrt{3}+1}{\sqrt{3}-1} \right)\,\,\,m\]

\[\left( \frac{\sqrt{3}-1}{\sqrt{3}+1} \right)\,60\,\,m\]

\[\left( \frac{\sqrt{3}+1}{\sqrt{3}-1} \right)\,60\,\,m\]

From the top of a light house 60 meters high with its base at the sea

1.	From the top of a light house 60 meters high with its base at the sea level, the angle of depression of a boat is 15o. The distance of the boat from the foot of light house is [MNR 1988; IIT 1983; MP PET 1994, 2001; UPSEAT 2000]
A.	\[\left( \frac{\sqrt{3}-1}{\sqrt{3}+1} \right)\,60\,\,m\]
B.	\[\left( \frac{\sqrt{3}+1}{\sqrt{3}-1} \right)\,60\,\,m\]
C.	\[\left( \frac{\sqrt{3}+1}{\sqrt{3}-1} \right)\,\,\,m\]
D.	None of these
Answer» C. \[\left( \frac{\sqrt{3}+1}{\sqrt{3}-1} \right)\,\,\,m\]

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From the top of a light house 60 meters high with its base at the sea level, the angle of depression of a boat is 15o. The distance of the boat from the foot of light house is [MNR 1988; IIT 1983; MP PET 1994, 2001; UPSEAT 2000]

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