From the top of a lighthouse 70 m high with its base at sea level, the angle of depression of a boat is `15^(@)`. The distance of the boat from the foot of the lighthouse is :

From the top of a lighthouse 60 meters high with its base at the sea level, the angle of depression of a boat is 15^(@) . The distance of the boat from the foot of the lighthouse is

From the top of a lighthouse 60 meters high with its base at the sea level, the angle of depression of a boat is 15^(@) . The distance of the boat from the foot of the lighthouse is

From the top of a light house 60m high with itsbase at sea level the angle of depression of a boatis 15^(@). The distance of the boat from the light house is

Form the top of a light house 60 m high with its base at the sea-level the angle of depression of a boat is 15^(@) . Find the distance of the boat from the foot of light house.

Form the top of a light house 60 m high with its base at the sea-level the angle of depression of a boat is 15^(@) . Find the distance of the boat from the foot of light house.

From the top of a light house 60 metre high, with its base at the sea leave, the angel of depression of a boat is 30^(@) . The distance of the boat from the foot of the light - house is

From the top of a light house, 60 m high with its base at sea level, the angle of depression'of a boat is 15^(circ) .The distance of the boat (in metres) from the light house is

From the top of a light -house at a height 20 metres above sea -level,the angle of depression of a ship is 30^(@) .The distance of the ship from the foot of the light house is